Home / 789,904.18-1,185,337.41-284,422.87

Finding the Fourth Proportional to 789,904.18, 1,185,337.41 and 284,422.87

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Solution

The fourth proportional to 789,904.18, 1,185,337.41 and 284,422.87 is: 426,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,904.18 : 1,185,337.41 = 284,422.87 : x
  2. Step 2: Convert to fraction form
    789,904.18/1,185,337.41 = 284,422.87/x
  3. Step 3: Cross multiply
    789,904.18x = 1,185,337.41 × 284,422.87
  4. Step 4: Simplify right side
    789,904.18x = 337,137,068,070.57
  5. Step 5: Solve for x
    x = 337,137,068,070.57/789,904.18
  6. Step 6: Final answer
    x = 426,807.55

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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.