Home / 875,390.15-1,313,200.05-342,841.97

Finding the Fourth Proportional to 875,390.15, 1,313,200.05 and 342,841.97

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Solution

The fourth proportional to 875,390.15, 1,313,200.05 and 342,841.97 is: 514,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,390.15 : 1,313,200.05 = 342,841.97 : x
  2. Step 2: Convert to fraction form
    875,390.15/1,313,200.05 = 342,841.97/x
  3. Step 3: Cross multiply
    875,390.15x = 1,313,200.05 × 342,841.97
  4. Step 4: Simplify right side
    875,390.15x = 450,220,092,146.10
  5. Step 5: Solve for x
    x = 450,220,092,146.10/875,390.15
  6. Step 6: Final answer
    x = 514,307.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.