Home / 878,694.66-1,316,537.55-479,615.76

Finding the Fourth Proportional to 878,694.66, 1,316,537.55 and 479,615.76

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Solution

The fourth proportional to 878,694.66, 1,316,537.55 and 479,615.76 is: 718,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,694.66 : 1,316,537.55 = 479,615.76 : x
  2. Step 2: Convert to fraction form
    878,694.66/1,316,537.55 = 479,615.76/x
  3. Step 3: Cross multiply
    878,694.66x = 1,316,537.55 × 479,615.76
  4. Step 4: Simplify right side
    878,694.66x = 631,432,157,611.79
  5. Step 5: Solve for x
    x = 631,432,157,611.79/878,694.66
  6. Step 6: Final answer
    x = 718,602.48

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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.