Home / 743,045.18-1,025,716.24-501,654.72

Finding the Fourth Proportional to 743,045.18, 1,025,716.24 and 501,654.72

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Solution

The fourth proportional to 743,045.18, 1,025,716.24 and 501,654.72 is: 692,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,045.18 : 1,025,716.24 = 501,654.72 : x
  2. Step 2: Convert to fraction form
    743,045.18/1,025,716.24 = 501,654.72/x
  3. Step 3: Cross multiply
    743,045.18x = 1,025,716.24 × 501,654.72
  4. Step 4: Simplify right side
    743,045.18x = 514,555,393,176.65
  5. Step 5: Solve for x
    x = 514,555,393,176.65/743,045.18
  6. Step 6: Final answer
    x = 692,495.43

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Double scale
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1.5x scale

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.