Home / 904,205.40-1,356,534.90-398,862.60

Finding the Fourth Proportional to 904,205.40, 1,356,534.90 and 398,862.60

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Solution

The fourth proportional to 904,205.40, 1,356,534.90 and 398,862.60 is: 598,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,205.40 : 1,356,534.90 = 398,862.60 : x
  2. Step 2: Convert to fraction form
    904,205.40/1,356,534.90 = 398,862.60/x
  3. Step 3: Cross multiply
    904,205.40x = 1,356,534.90 × 398,862.60
  4. Step 4: Simplify right side
    904,205.40x = 541,071,037,204.74
  5. Step 5: Solve for x
    x = 541,071,037,204.74/904,205.40
  6. Step 6: Final answer
    x = 598,393.95

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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.