Home / 750,887.72-1,036,218.66-406,724.20

Finding the Fourth Proportional to 750,887.72, 1,036,218.66 and 406,724.20

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Solution

The fourth proportional to 750,887.72, 1,036,218.66 and 406,724.20 is: 561,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,887.72 : 1,036,218.66 = 406,724.20 : x
  2. Step 2: Convert to fraction form
    750,887.72/1,036,218.66 = 406,724.20/x
  3. Step 3: Cross multiply
    750,887.72x = 1,036,218.66 × 406,724.20
  4. Step 4: Simplify right side
    750,887.72x = 421,455,205,513.57
  5. Step 5: Solve for x
    x = 421,455,205,513.57/750,887.72
  6. Step 6: Final answer
    x = 561,275.93

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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.