Home / 724,985.32-1,000,758.76-483,179.66

Finding the Fourth Proportional to 724,985.32, 1,000,758.76 and 483,179.66

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Solution

The fourth proportional to 724,985.32, 1,000,758.76 and 483,179.66 is: 666,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,985.32 : 1,000,758.76 = 483,179.66 : x
  2. Step 2: Convert to fraction form
    724,985.32/1,000,758.76 = 483,179.66/x
  3. Step 3: Cross multiply
    724,985.32x = 1,000,758.76 × 483,179.66
  4. Step 4: Simplify right side
    724,985.32x = 483,546,277,398.82
  5. Step 5: Solve for x
    x = 483,546,277,398.82/724,985.32
  6. Step 6: Final answer
    x = 666,973.89

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.