Home / 748,071.52-1,122,807.12-369,419.82

Finding the Fourth Proportional to 748,071.52, 1,122,807.12 and 369,419.82

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Solution

The fourth proportional to 748,071.52, 1,122,807.12 and 369,419.82 is: 554,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,071.52 : 1,122,807.12 = 369,419.82 : x
  2. Step 2: Convert to fraction form
    748,071.52/1,122,807.12 = 369,419.82/x
  3. Step 3: Cross multiply
    748,071.52x = 1,122,807.12 × 369,419.82
  4. Step 4: Simplify right side
    748,071.52x = 414,787,204,165.12
  5. Step 5: Solve for x
    x = 414,787,204,165.12/748,071.52
  6. Step 6: Final answer
    x = 554,475.33

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Double scale
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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.