Home / 750,731.30-1,036,010.16-406,567.79

Finding the Fourth Proportional to 750,731.30, 1,036,010.16 and 406,567.79

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Solution

The fourth proportional to 750,731.30, 1,036,010.16 and 406,567.79 is: 561,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,731.30 : 1,036,010.16 = 406,567.79 : x
  2. Step 2: Convert to fraction form
    750,731.30/1,036,010.16 = 406,567.79/x
  3. Step 3: Cross multiply
    750,731.30x = 1,036,010.16 × 406,567.79
  4. Step 4: Simplify right side
    750,731.30x = 421,208,359,873.73
  5. Step 5: Solve for x
    x = 421,208,359,873.73/750,731.30
  6. Step 6: Final answer
    x = 561,064.07

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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.