Home / 742,487.04-1,113,552.14-342,743.85

Finding the Fourth Proportional to 742,487.04, 1,113,552.14 and 342,743.85

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Solution

The fourth proportional to 742,487.04, 1,113,552.14 and 342,743.85 is: 514,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,487.04 : 1,113,552.14 = 342,743.85 : x
  2. Step 2: Convert to fraction form
    742,487.04/1,113,552.14 = 342,743.85/x
  3. Step 3: Cross multiply
    742,487.04x = 1,113,552.14 × 342,743.85
  4. Step 4: Simplify right side
    742,487.04x = 381,663,145,925.62
  5. Step 5: Solve for x
    x = 381,663,145,925.62/742,487.04
  6. Step 6: Final answer
    x = 514,033.41

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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.