Home / 772,778.36-1,065,454.16-552,279.15

Finding the Fourth Proportional to 772,778.36, 1,065,454.16 and 552,279.15

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Solution

The fourth proportional to 772,778.36, 1,065,454.16 and 552,279.15 is: 761,444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,778.36 : 1,065,454.16 = 552,279.15 : x
  2. Step 2: Convert to fraction form
    772,778.36/1,065,454.16 = 552,279.15/x
  3. Step 3: Cross multiply
    772,778.36x = 1,065,454.16 × 552,279.15
  4. Step 4: Simplify right side
    772,778.36x = 588,428,119,229.46
  5. Step 5: Solve for x
    x = 588,428,119,229.46/772,778.36
  6. Step 6: Final answer
    x = 761,444.87

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Double scale
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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.