Home / 709,342.62-1,064,495.88-288,695.04

Finding the Fourth Proportional to 709,342.62, 1,064,495.88 and 288,695.04

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Solution

The fourth proportional to 709,342.62, 1,064,495.88 and 288,695.04 is: 433,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,342.62 : 1,064,495.88 = 288,695.04 : x
  2. Step 2: Convert to fraction form
    709,342.62/1,064,495.88 = 288,695.04/x
  3. Step 3: Cross multiply
    709,342.62x = 1,064,495.88 × 288,695.04
  4. Step 4: Simplify right side
    709,342.62x = 307,314,680,656.44
  5. Step 5: Solve for x
    x = 307,314,680,656.44/709,342.62
  6. Step 6: Final answer
    x = 433,238.71

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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.