Home / 878,695.66-1,316,539.05-479,616.76

Finding the Fourth Proportional to 878,695.66, 1,316,539.05 and 479,616.76

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Solution

The fourth proportional to 878,695.66, 1,316,539.05 and 479,616.76 is: 718,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,695.66 : 1,316,539.05 = 479,616.76 : x
  2. Step 2: Convert to fraction form
    878,695.66/1,316,539.05 = 479,616.76/x
  3. Step 3: Cross multiply
    878,695.66x = 1,316,539.05 × 479,616.76
  4. Step 4: Simplify right side
    878,695.66x = 631,434,193,574.48
  5. Step 5: Solve for x
    x = 631,434,193,574.48/878,695.66
  6. Step 6: Final answer
    x = 718,603.97

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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.