Home / 745,770.29-1,029,129.80-435,701.61

Finding the Fourth Proportional to 745,770.29, 1,029,129.80 and 435,701.61

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Solution

The fourth proportional to 745,770.29, 1,029,129.80 and 435,701.61 is: 601,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,770.29 : 1,029,129.80 = 435,701.61 : x
  2. Step 2: Convert to fraction form
    745,770.29/1,029,129.80 = 435,701.61/x
  3. Step 3: Cross multiply
    745,770.29x = 1,029,129.80 × 435,701.61
  4. Step 4: Simplify right side
    745,770.29x = 448,393,510,758.98
  5. Step 5: Solve for x
    x = 448,393,510,758.98/745,770.29
  6. Step 6: Final answer
    x = 601,248.83

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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.