Home / 890,752.48-1,229,253.12-482,867.20

Finding the Fourth Proportional to 890,752.48, 1,229,253.12 and 482,867.20

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Solution

The fourth proportional to 890,752.48, 1,229,253.12 and 482,867.20 is: 666,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,752.48 : 1,229,253.12 = 482,867.20 : x
  2. Step 2: Convert to fraction form
    890,752.48/1,229,253.12 = 482,867.20/x
  3. Step 3: Cross multiply
    890,752.48x = 1,229,253.12 × 482,867.20
  4. Step 4: Simplify right side
    890,752.48x = 593,566,012,145.66
  5. Step 5: Solve for x
    x = 593,566,012,145.66/890,752.48
  6. Step 6: Final answer
    x = 666,364.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.