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Finding the Fourth Proportional to 598,755.70, 898,133.55 and 569,231.20

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Solution

The fourth proportional to 598,755.70, 898,133.55 and 569,231.20 is: 853,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,755.70 : 898,133.55 = 569,231.20 : x
  2. Step 2: Convert to fraction form
    598,755.70/898,133.55 = 569,231.20/x
  3. Step 3: Cross multiply
    598,755.70x = 898,133.55 × 569,231.20
  4. Step 4: Simplify right side
    598,755.70x = 511,245,638,426.76
  5. Step 5: Solve for x
    x = 511,245,638,426.76/598,755.70
  6. Step 6: Final answer
    x = 853,846.80

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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.