Home / 970,325.10-1,455,487.65-438,101.10

Finding the Fourth Proportional to 970,325.10, 1,455,487.65 and 438,101.10

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Solution

The fourth proportional to 970,325.10, 1,455,487.65 and 438,101.10 is: 657,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,325.10 : 1,455,487.65 = 438,101.10 : x
  2. Step 2: Convert to fraction form
    970,325.10/1,455,487.65 = 438,101.10/x
  3. Step 3: Cross multiply
    970,325.10x = 1,455,487.65 × 438,101.10
  4. Step 4: Simplify right side
    970,325.10x = 637,650,740,501.42
  5. Step 5: Solve for x
    x = 637,650,740,501.42/970,325.10
  6. Step 6: Final answer
    x = 657,151.65

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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.