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Finding the Fourth Proportional to 616,320.60, 924,480.90 and 561,208.20

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Solution

The fourth proportional to 616,320.60, 924,480.90 and 561,208.20 is: 841,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,320.60 : 924,480.90 = 561,208.20 : x
  2. Step 2: Convert to fraction form
    616,320.60/924,480.90 = 561,208.20/x
  3. Step 3: Cross multiply
    616,320.60x = 924,480.90 × 561,208.20
  4. Step 4: Simplify right side
    616,320.60x = 518,826,261,823.38
  5. Step 5: Solve for x
    x = 518,826,261,823.38/616,320.60
  6. Step 6: Final answer
    x = 841,812.30

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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.