Home / 904,207.40-1,356,537.90-398,864.60

Finding the Fourth Proportional to 904,207.40, 1,356,537.90 and 398,864.60

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Solution

The fourth proportional to 904,207.40, 1,356,537.90 and 398,864.60 is: 598,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,207.40 : 1,356,537.90 = 398,864.60 : x
  2. Step 2: Convert to fraction form
    904,207.40/1,356,537.90 = 398,864.60/x
  3. Step 3: Cross multiply
    904,207.40x = 1,356,537.90 × 398,864.60
  4. Step 4: Simplify right side
    904,207.40x = 541,074,946,868.34
  5. Step 5: Solve for x
    x = 541,074,946,868.34/904,207.40
  6. Step 6: Final answer
    x = 598,396.95

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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.