Home / 749,515.34-1,034,461.80-724,603.52

Finding the Fourth Proportional to 749,515.34, 1,034,461.80 and 724,603.52

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Solution

The fourth proportional to 749,515.34, 1,034,461.80 and 724,603.52 is: 1,000,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,515.34 : 1,034,461.80 = 724,603.52 : x
  2. Step 2: Convert to fraction form
    749,515.34/1,034,461.80 = 724,603.52/x
  3. Step 3: Cross multiply
    749,515.34x = 1,034,461.80 × 724,603.52
  4. Step 4: Simplify right side
    749,515.34x = 749,574,661,585.54
  5. Step 5: Solve for x
    x = 749,574,661,585.54/749,515.34
  6. Step 6: Final answer
    x = 1,000,079.15

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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.