Home / 708,538.80-1,064,446.60-487,354.80

Finding the Fourth Proportional to 708,538.80, 1,064,446.60 and 487,354.80

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Solution

The fourth proportional to 708,538.80, 1,064,446.60 and 487,354.80 is: 732,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,538.80 : 1,064,446.60 = 487,354.80 : x
  2. Step 2: Convert to fraction form
    708,538.80/1,064,446.60 = 487,354.80/x
  3. Step 3: Cross multiply
    708,538.80x = 1,064,446.60 × 487,354.80
  4. Step 4: Simplify right side
    708,538.80x = 518,763,159,853.68
  5. Step 5: Solve for x
    x = 518,763,159,853.68/708,538.80
  6. Step 6: Final answer
    x = 732,159.14

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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.