Home / 1,004,815.90-1,507,223.85-256,822.30

Finding the Fourth Proportional to 1,004,815.90, 1,507,223.85 and 256,822.30

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Solution

The fourth proportional to 1,004,815.90, 1,507,223.85 and 256,822.30 is: 385,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,815.90 : 1,507,223.85 = 256,822.30 : x
  2. Step 2: Convert to fraction form
    1,004,815.90/1,507,223.85 = 256,822.30/x
  3. Step 3: Cross multiply
    1,004,815.90x = 1,507,223.85 × 256,822.30
  4. Step 4: Simplify right side
    1,004,815.90x = 387,088,695,771.86
  5. Step 5: Solve for x
    x = 387,088,695,771.86/1,004,815.90
  6. Step 6: Final answer
    x = 385,233.45

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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.