Home / 885,589.04-1,328,285.14-316,947.18

Finding the Fourth Proportional to 885,589.04, 1,328,285.14 and 316,947.18

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Solution

The fourth proportional to 885,589.04, 1,328,285.14 and 316,947.18 is: 475,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,589.04 : 1,328,285.14 = 316,947.18 : x
  2. Step 2: Convert to fraction form
    885,589.04/1,328,285.14 = 316,947.18/x
  3. Step 3: Cross multiply
    885,589.04x = 1,328,285.14 × 316,947.18
  4. Step 4: Simplify right side
    885,589.04x = 420,996,229,358.91
  5. Step 5: Solve for x
    x = 420,996,229,358.91/885,589.04
  6. Step 6: Final answer
    x = 475,385.55

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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.