Home / 472,927.80-708,470.10-285,382.20

Finding the Fourth Proportional to 472,927.80, 708,470.10 and 285,382.20

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Solution

The fourth proportional to 472,927.80, 708,470.10 and 285,382.20 is: 427,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,927.80 : 708,470.10 = 285,382.20 : x
  2. Step 2: Convert to fraction form
    472,927.80/708,470.10 = 285,382.20/x
  3. Step 3: Cross multiply
    472,927.80x = 708,470.10 × 285,382.20
  4. Step 4: Simplify right side
    472,927.80x = 202,184,755,772.22
  5. Step 5: Solve for x
    x = 202,184,755,772.22/472,927.80
  6. Step 6: Final answer
    x = 427,517.17

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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.