Home / 880,099.13-1,214,328.62-498,125.90

Finding the Fourth Proportional to 880,099.13, 1,214,328.62 and 498,125.90

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Solution

The fourth proportional to 880,099.13, 1,214,328.62 and 498,125.90 is: 687,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,099.13 : 1,214,328.62 = 498,125.90 : x
  2. Step 2: Convert to fraction form
    880,099.13/1,214,328.62 = 498,125.90/x
  3. Step 3: Cross multiply
    880,099.13x = 1,214,328.62 × 498,125.90
  4. Step 4: Simplify right side
    880,099.13x = 604,888,534,242.63
  5. Step 5: Solve for x
    x = 604,888,534,242.63/880,099.13
  6. Step 6: Final answer
    x = 687,295.91

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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.