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Finding the Fourth Proportional to 540,038.40, 810,057.60 and 482,301.60

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Solution

The fourth proportional to 540,038.40, 810,057.60 and 482,301.60 is: 723,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,038.40 : 810,057.60 = 482,301.60 : x
  2. Step 2: Convert to fraction form
    540,038.40/810,057.60 = 482,301.60/x
  3. Step 3: Cross multiply
    540,038.40x = 810,057.60 × 482,301.60
  4. Step 4: Simplify right side
    540,038.40x = 390,692,076,572.16
  5. Step 5: Solve for x
    x = 390,692,076,572.16/540,038.40
  6. Step 6: Final answer
    x = 723,452.40

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Similar ratio
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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.