Home / 801,618.93-1,105,702.11-515,501.01

Finding the Fourth Proportional to 801,618.93, 1,105,702.11 and 515,501.01

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Solution

The fourth proportional to 801,618.93, 1,105,702.11 and 515,501.01 is: 711,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,618.93 : 1,105,702.11 = 515,501.01 : x
  2. Step 2: Convert to fraction form
    801,618.93/1,105,702.11 = 515,501.01/x
  3. Step 3: Cross multiply
    801,618.93x = 1,105,702.11 × 515,501.01
  4. Step 4: Simplify right side
    801,618.93x = 569,990,554,464.13
  5. Step 5: Solve for x
    x = 569,990,554,464.13/801,618.93
  6. Step 6: Final answer
    x = 711,049.27

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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.