Home / 755,246.19-1,042,339.28-453,459.63

Finding the Fourth Proportional to 755,246.19, 1,042,339.28 and 453,459.63

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Solution

The fourth proportional to 755,246.19, 1,042,339.28 and 453,459.63 is: 625,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,246.19 : 1,042,339.28 = 453,459.63 : x
  2. Step 2: Convert to fraction form
    755,246.19/1,042,339.28 = 453,459.63/x
  3. Step 3: Cross multiply
    755,246.19x = 1,042,339.28 × 453,459.63
  4. Step 4: Simplify right side
    755,246.19x = 472,658,781,975.97
  5. Step 5: Solve for x
    x = 472,658,781,975.97/755,246.19
  6. Step 6: Final answer
    x = 625,834.05

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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.