Home / 482,935.40-724,403.10-304,476.20

Finding the Fourth Proportional to 482,935.40, 724,403.10 and 304,476.20

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Solution

The fourth proportional to 482,935.40, 724,403.10 and 304,476.20 is: 456,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,935.40 : 724,403.10 = 304,476.20 : x
  2. Step 2: Convert to fraction form
    482,935.40/724,403.10 = 304,476.20/x
  3. Step 3: Cross multiply
    482,935.40x = 724,403.10 × 304,476.20
  4. Step 4: Simplify right side
    482,935.40x = 220,563,503,156.22
  5. Step 5: Solve for x
    x = 220,563,503,156.22/482,935.40
  6. Step 6: Final answer
    x = 456,714.30

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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.