Home / 878,155.95-1,316,336.64-498,274.17

Finding the Fourth Proportional to 878,155.95, 1,316,336.64 and 498,274.17

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Solution

The fourth proportional to 878,155.95, 1,316,336.64 and 498,274.17 is: 746,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,155.95 : 1,316,336.64 = 498,274.17 : x
  2. Step 2: Convert to fraction form
    878,155.95/1,316,336.64 = 498,274.17/x
  3. Step 3: Cross multiply
    878,155.95x = 1,316,336.64 × 498,274.17
  4. Step 4: Simplify right side
    878,155.95x = 655,896,546,736.59
  5. Step 5: Solve for x
    x = 655,896,546,736.59/878,155.95
  6. Step 6: Final answer
    x = 746,902.13

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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.