Home / 878,261.67-1,316,494.62-498,379.77

Finding the Fourth Proportional to 878,261.67, 1,316,494.62 and 498,379.77

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Solution

The fourth proportional to 878,261.67, 1,316,494.62 and 498,379.77 is: 747,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,261.67 : 1,316,494.62 = 498,379.77 : x
  2. Step 2: Convert to fraction form
    878,261.67/1,316,494.62 = 498,379.77/x
  3. Step 3: Cross multiply
    878,261.67x = 1,316,494.62 × 498,379.77
  4. Step 4: Simplify right side
    878,261.67x = 656,114,285,921.84
  5. Step 5: Solve for x
    x = 656,114,285,921.84/878,261.67
  6. Step 6: Final answer
    x = 747,060.14

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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.