Home / 877,872.80-1,317,246.60-499,084.40

Finding the Fourth Proportional to 877,872.80, 1,317,246.60 and 499,084.40

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Solution

The fourth proportional to 877,872.80, 1,317,246.60 and 499,084.40 is: 748,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,872.80 : 1,317,246.60 = 499,084.40 : x
  2. Step 2: Convert to fraction form
    877,872.80/1,317,246.60 = 499,084.40/x
  3. Step 3: Cross multiply
    877,872.80x = 1,317,246.60 × 499,084.40
  4. Step 4: Simplify right side
    877,872.80x = 657,417,229,013.04
  5. Step 5: Solve for x
    x = 657,417,229,013.04/877,872.80
  6. Step 6: Final answer
    x = 748,875.27

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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.