Home / 750,690.88-1,035,948.65-406,521.32

Finding the Fourth Proportional to 750,690.88, 1,035,948.65 and 406,521.32

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Solution

The fourth proportional to 750,690.88, 1,035,948.65 and 406,521.32 is: 560,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,690.88 : 1,035,948.65 = 406,521.32 : x
  2. Step 2: Convert to fraction form
    750,690.88/1,035,948.65 = 406,521.32/x
  3. Step 3: Cross multiply
    750,690.88x = 1,035,948.65 × 406,521.32
  4. Step 4: Simplify right side
    750,690.88x = 421,135,212,650.22
  5. Step 5: Solve for x
    x = 421,135,212,650.22/750,690.88
  6. Step 6: Final answer
    x = 560,996.85

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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.