Home / 747,965.34-1,121,116.97-569,885.26

Finding the Fourth Proportional to 747,965.34, 1,121,116.97 and 569,885.26

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Solution

The fourth proportional to 747,965.34, 1,121,116.97 and 569,885.26 is: 854,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,965.34 : 1,121,116.97 = 569,885.26 : x
  2. Step 2: Convert to fraction form
    747,965.34/1,121,116.97 = 569,885.26/x
  3. Step 3: Cross multiply
    747,965.34x = 1,121,116.97 × 569,885.26
  4. Step 4: Simplify right side
    747,965.34x = 638,908,035,938.86
  5. Step 5: Solve for x
    x = 638,908,035,938.86/747,965.34
  6. Step 6: Final answer
    x = 854,194.71

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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.