Home / 993,174.90-1,489,762.35-245,220.90

Finding the Fourth Proportional to 993,174.90, 1,489,762.35 and 245,220.90

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Solution

The fourth proportional to 993,174.90, 1,489,762.35 and 245,220.90 is: 367,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,174.90 : 1,489,762.35 = 245,220.90 : x
  2. Step 2: Convert to fraction form
    993,174.90/1,489,762.35 = 245,220.90/x
  3. Step 3: Cross multiply
    993,174.90x = 1,489,762.35 × 245,220.90
  4. Step 4: Simplify right side
    993,174.90x = 365,320,864,253.12
  5. Step 5: Solve for x
    x = 365,320,864,253.12/993,174.90
  6. Step 6: Final answer
    x = 367,831.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.