Home / 742,585.02-1,113,699.12-342,841.92

Finding the Fourth Proportional to 742,585.02, 1,113,699.12 and 342,841.92

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Solution

The fourth proportional to 742,585.02, 1,113,699.12 and 342,841.92 is: 514,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,585.02 : 1,113,699.12 = 342,841.92 : x
  2. Step 2: Convert to fraction form
    742,585.02/1,113,699.12 = 342,841.92/x
  3. Step 3: Cross multiply
    742,585.02x = 1,113,699.12 × 342,841.92
  4. Step 4: Simplify right side
    742,585.02x = 381,822,744,603.11
  5. Step 5: Solve for x
    x = 381,822,744,603.11/742,585.02
  6. Step 6: Final answer
    x = 514,180.51

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Double scale
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Similar ratio
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1.5x scale

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.