Home / 880,306.83-1,214,852.31-498,325.41

Finding the Fourth Proportional to 880,306.83, 1,214,852.31 and 498,325.41

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Solution

The fourth proportional to 880,306.83, 1,214,852.31 and 498,325.41 is: 687,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,306.83 : 1,214,852.31 = 498,325.41 : x
  2. Step 2: Convert to fraction form
    880,306.83/1,214,852.31 = 498,325.41/x
  3. Step 3: Cross multiply
    880,306.83x = 1,214,852.31 × 498,325.41
  4. Step 4: Simplify right side
    880,306.83x = 605,391,775,470.20
  5. Step 5: Solve for x
    x = 605,391,775,470.20/880,306.83
  6. Step 6: Final answer
    x = 687,705.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.