Home / 785,550.38-1,178,393.92-216,932.20

Finding the Fourth Proportional to 785,550.38, 1,178,393.92 and 216,932.20

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Solution

The fourth proportional to 785,550.38, 1,178,393.92 and 216,932.20 is: 325,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,550.38 : 1,178,393.92 = 216,932.20 : x
  2. Step 2: Convert to fraction form
    785,550.38/1,178,393.92 = 216,932.20/x
  3. Step 3: Cross multiply
    785,550.38x = 1,178,393.92 × 216,932.20
  4. Step 4: Simplify right side
    785,550.38x = 255,631,582,043.91
  5. Step 5: Solve for x
    x = 255,631,582,043.91/785,550.38
  6. Step 6: Final answer
    x = 325,417.17

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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.