Home / 529,810.08-731,133.92-288,092.80

Finding the Fourth Proportional to 529,810.08, 731,133.92 and 288,092.80

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Solution

The fourth proportional to 529,810.08, 731,133.92 and 288,092.80 is: 397,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,810.08 : 731,133.92 = 288,092.80 : x
  2. Step 2: Convert to fraction form
    529,810.08/731,133.92 = 288,092.80/x
  3. Step 3: Cross multiply
    529,810.08x = 731,133.92 × 288,092.80
  4. Step 4: Simplify right side
    529,810.08x = 210,634,418,187.78
  5. Step 5: Solve for x
    x = 210,634,418,187.78/529,810.08
  6. Step 6: Final answer
    x = 397,565.89

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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.