Home / 748,333.38-1,122,509.79-249,697.38

Finding the Fourth Proportional to 748,333.38, 1,122,509.79 and 249,697.38

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Solution

The fourth proportional to 748,333.38, 1,122,509.79 and 249,697.38 is: 374,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,333.38 : 1,122,509.79 = 249,697.38 : x
  2. Step 2: Convert to fraction form
    748,333.38/1,122,509.79 = 249,697.38/x
  3. Step 3: Cross multiply
    748,333.38x = 1,122,509.79 × 249,697.38
  4. Step 4: Simplify right side
    748,333.38x = 280,287,753,587.35
  5. Step 5: Solve for x
    x = 280,287,753,587.35/748,333.38
  6. Step 6: Final answer
    x = 374,549.31

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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.