Home / 748,574.47-1,122,451.65-368,659.77

Finding the Fourth Proportional to 748,574.47, 1,122,451.65 and 368,659.77

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Solution

The fourth proportional to 748,574.47, 1,122,451.65 and 368,659.77 is: 552,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,574.47 : 1,122,451.65 = 368,659.77 : x
  2. Step 2: Convert to fraction form
    748,574.47/1,122,451.65 = 368,659.77/x
  3. Step 3: Cross multiply
    748,574.47x = 1,122,451.65 × 368,659.77
  4. Step 4: Simplify right side
    748,574.47x = 413,802,761,774.16
  5. Step 5: Solve for x
    x = 413,802,761,774.16/748,574.47
  6. Step 6: Final answer
    x = 552,787.70

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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.