Home / 750,550.65-1,035,752.13-406,380.66

Finding the Fourth Proportional to 750,550.65, 1,035,752.13 and 406,380.66

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Solution

The fourth proportional to 750,550.65, 1,035,752.13 and 406,380.66 is: 560,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,550.65 : 1,035,752.13 = 406,380.66 : x
  2. Step 2: Convert to fraction form
    750,550.65/1,035,752.13 = 406,380.66/x
  3. Step 3: Cross multiply
    750,550.65x = 1,035,752.13 × 406,380.66
  4. Step 4: Simplify right side
    750,550.65x = 420,909,634,185.81
  5. Step 5: Solve for x
    x = 420,909,634,185.81/750,550.65
  6. Step 6: Final answer
    x = 560,801.11

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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.