Home / 885,754.51-1,222,380.14-498,594.92

Finding the Fourth Proportional to 885,754.51, 1,222,380.14 and 498,594.92

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Solution

The fourth proportional to 885,754.51, 1,222,380.14 and 498,594.92 is: 688,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,754.51 : 1,222,380.14 = 498,594.92 : x
  2. Step 2: Convert to fraction form
    885,754.51/1,222,380.14 = 498,594.92/x
  3. Step 3: Cross multiply
    885,754.51x = 1,222,380.14 × 498,594.92
  4. Step 4: Simplify right side
    885,754.51x = 609,472,523,247.48
  5. Step 5: Solve for x
    x = 609,472,523,247.48/885,754.51
  6. Step 6: Final answer
    x = 688,082.89

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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.