Home / 924,010.80-1,386,016.20-418,813.80

Finding the Fourth Proportional to 924,010.80, 1,386,016.20 and 418,813.80

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Solution

The fourth proportional to 924,010.80, 1,386,016.20 and 418,813.80 is: 628,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,010.80 : 1,386,016.20 = 418,813.80 : x
  2. Step 2: Convert to fraction form
    924,010.80/1,386,016.20 = 418,813.80/x
  3. Step 3: Cross multiply
    924,010.80x = 1,386,016.20 × 418,813.80
  4. Step 4: Simplify right side
    924,010.80x = 580,482,711,583.56
  5. Step 5: Solve for x
    x = 580,482,711,583.56/924,010.80
  6. Step 6: Final answer
    x = 628,220.70

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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.