Home / 885,437.42-1,221,809.43-498,246.10

Finding the Fourth Proportional to 885,437.42, 1,221,809.43 and 498,246.10

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Solution

The fourth proportional to 885,437.42, 1,221,809.43 and 498,246.10 is: 687,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,437.42 : 1,221,809.43 = 498,246.10 : x
  2. Step 2: Convert to fraction form
    885,437.42/1,221,809.43 = 498,246.10/x
  3. Step 3: Cross multiply
    885,437.42x = 1,221,809.43 × 498,246.10
  4. Step 4: Simplify right side
    885,437.42x = 608,761,780,853.31
  5. Step 5: Solve for x
    x = 608,761,780,853.31/885,437.42
  6. Step 6: Final answer
    x = 687,526.60

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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.