Home / 989,845.61-1,485,330.03-534,430.73

Finding the Fourth Proportional to 989,845.61, 1,485,330.03 and 534,430.73

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Solution

The fourth proportional to 989,845.61, 1,485,330.03 and 534,430.73 is: 801,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,845.61 : 1,485,330.03 = 534,430.73 : x
  2. Step 2: Convert to fraction form
    989,845.61/1,485,330.03 = 534,430.73/x
  3. Step 3: Cross multiply
    989,845.61x = 1,485,330.03 × 534,430.73
  4. Step 4: Simplify right side
    989,845.61x = 793,806,015,937.15
  5. Step 5: Solve for x
    x = 793,806,015,937.15/989,845.61
  6. Step 6: Final answer
    x = 801,949.33

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Double scale
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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.