Home / 529,864.04-731,215.86-288,149.24

Finding the Fourth Proportional to 529,864.04, 731,215.86 and 288,149.24

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Solution

The fourth proportional to 529,864.04, 731,215.86 and 288,149.24 is: 397,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,864.04 : 731,215.86 = 288,149.24 : x
  2. Step 2: Convert to fraction form
    529,864.04/731,215.86 = 288,149.24/x
  3. Step 3: Cross multiply
    529,864.04x = 731,215.86 × 288,149.24
  4. Step 4: Simplify right side
    529,864.04x = 210,699,294,334.95
  5. Step 5: Solve for x
    x = 210,699,294,334.95/529,864.04
  6. Step 6: Final answer
    x = 397,647.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.