Home / 762,901.35-1,052,817.21-418,769.48

Finding the Fourth Proportional to 762,901.35, 1,052,817.21 and 418,769.48

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Solution

The fourth proportional to 762,901.35, 1,052,817.21 and 418,769.48 is: 577,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,901.35 : 1,052,817.21 = 418,769.48 : x
  2. Step 2: Convert to fraction form
    762,901.35/1,052,817.21 = 418,769.48/x
  3. Step 3: Cross multiply
    762,901.35x = 1,052,817.21 × 418,769.48
  4. Step 4: Simplify right side
    762,901.35x = 440,887,710,302.67
  5. Step 5: Solve for x
    x = 440,887,710,302.67/762,901.35
  6. Step 6: Final answer
    x = 577,909.20

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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.