Home / 760,221.38-1,139,422.01-354,868.22

Finding the Fourth Proportional to 760,221.38, 1,139,422.01 and 354,868.22

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Solution

The fourth proportional to 760,221.38, 1,139,422.01 and 354,868.22 is: 531,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,221.38 : 1,139,422.01 = 354,868.22 : x
  2. Step 2: Convert to fraction form
    760,221.38/1,139,422.01 = 354,868.22/x
  3. Step 3: Cross multiply
    760,221.38x = 1,139,422.01 × 354,868.22
  4. Step 4: Simplify right side
    760,221.38x = 404,344,653,046.07
  5. Step 5: Solve for x
    x = 404,344,653,046.07/760,221.38
  6. Step 6: Final answer
    x = 531,877.51

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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.