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Finding the Fourth Proportional to 508,963.03, 763,444.04 and 129,883.77

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Solution

The fourth proportional to 508,963.03, 763,444.04 and 129,883.77 is: 194,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,963.03 : 763,444.04 = 129,883.77 : x
  2. Step 2: Convert to fraction form
    508,963.03/763,444.04 = 129,883.77/x
  3. Step 3: Cross multiply
    508,963.03x = 763,444.04 × 129,883.77
  4. Step 4: Simplify right side
    508,963.03x = 99,158,989,449.81
  5. Step 5: Solve for x
    x = 99,158,989,449.81/508,963.03
  6. Step 6: Final answer
    x = 194,825.53

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Double scale
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Similar ratio
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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.