Home / 987,141.75-1,480,712.84-356,055.50

Finding the Fourth Proportional to 987,141.75, 1,480,712.84 and 356,055.50

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Solution

The fourth proportional to 987,141.75, 1,480,712.84 and 356,055.50 is: 534,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,141.75 : 1,480,712.84 = 356,055.50 : x
  2. Step 2: Convert to fraction form
    987,141.75/1,480,712.84 = 356,055.50/x
  3. Step 3: Cross multiply
    987,141.75x = 1,480,712.84 × 356,055.50
  4. Step 4: Simplify right side
    987,141.75x = 527,215,941,418.78
  5. Step 5: Solve for x
    x = 527,215,941,418.78/987,141.75
  6. Step 6: Final answer
    x = 534,083.32

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Double scale
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1.5x scale

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.