Home / 927,115.12-1,391,295.84-328,073.80

Finding the Fourth Proportional to 927,115.12, 1,391,295.84 and 328,073.80

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Solution

The fourth proportional to 927,115.12, 1,391,295.84 and 328,073.80 is: 492,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,115.12 : 1,391,295.84 = 328,073.80 : x
  2. Step 2: Convert to fraction form
    927,115.12/1,391,295.84 = 328,073.80/x
  3. Step 3: Cross multiply
    927,115.12x = 1,391,295.84 × 328,073.80
  4. Step 4: Simplify right side
    927,115.12x = 456,447,713,152.99
  5. Step 5: Solve for x
    x = 456,447,713,152.99/927,115.12
  6. Step 6: Final answer
    x = 492,331.21

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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.