Home / 904,212.40-1,356,545.40-398,869.60

Finding the Fourth Proportional to 904,212.40, 1,356,545.40 and 398,869.60

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Solution

The fourth proportional to 904,212.40, 1,356,545.40 and 398,869.60 is: 598,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,212.40 : 1,356,545.40 = 398,869.60 : x
  2. Step 2: Convert to fraction form
    904,212.40/1,356,545.40 = 398,869.60/x
  3. Step 3: Cross multiply
    904,212.40x = 1,356,545.40 × 398,869.60
  4. Step 4: Simplify right side
    904,212.40x = 541,084,721,079.84
  5. Step 5: Solve for x
    x = 541,084,721,079.84/904,212.40
  6. Step 6: Final answer
    x = 598,404.45

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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.