Home / 989,272.56-1,365,196.20-559,543.44

Finding the Fourth Proportional to 989,272.56, 1,365,196.20 and 559,543.44

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Solution

The fourth proportional to 989,272.56, 1,365,196.20 and 559,543.44 is: 772,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,272.56 : 1,365,196.20 = 559,543.44 : x
  2. Step 2: Convert to fraction form
    989,272.56/1,365,196.20 = 559,543.44/x
  3. Step 3: Cross multiply
    989,272.56x = 1,365,196.20 × 559,543.44
  4. Step 4: Simplify right side
    989,272.56x = 763,886,578,022.93
  5. Step 5: Solve for x
    x = 763,886,578,022.93/989,272.56
  6. Step 6: Final answer
    x = 772,169.99

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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.