Home / 878,535.54-1,316,299.34-479,456.64

Finding the Fourth Proportional to 878,535.54, 1,316,299.34 and 479,456.64

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Solution

The fourth proportional to 878,535.54, 1,316,299.34 and 479,456.64 is: 718,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,535.54 : 1,316,299.34 = 479,456.64 : x
  2. Step 2: Convert to fraction form
    878,535.54/1,316,299.34 = 479,456.64/x
  3. Step 3: Cross multiply
    878,535.54x = 1,316,299.34 × 479,456.64
  4. Step 4: Simplify right side
    878,535.54x = 631,108,459,989.26
  5. Step 5: Solve for x
    x = 631,108,459,989.26/878,535.54
  6. Step 6: Final answer
    x = 718,364.18

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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.