Home / 790,087.47-1,090,318.51-427,517.49

Finding the Fourth Proportional to 790,087.47, 1,090,318.51 and 427,517.49

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Solution

The fourth proportional to 790,087.47, 1,090,318.51 and 427,517.49 is: 589,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,087.47 : 1,090,318.51 = 427,517.49 : x
  2. Step 2: Convert to fraction form
    790,087.47/1,090,318.51 = 427,517.49/x
  3. Step 3: Cross multiply
    790,087.47x = 1,090,318.51 × 427,517.49
  4. Step 4: Simplify right side
    790,087.47x = 466,130,232,695.74
  5. Step 5: Solve for x
    x = 466,130,232,695.74/790,087.47
  6. Step 6: Final answer
    x = 589,972.95

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Double scale
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1.5x scale

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.