Home / 750,854.69-1,036,253.82-428,613.27

Finding the Fourth Proportional to 750,854.69, 1,036,253.82 and 428,613.27

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Solution

The fourth proportional to 750,854.69, 1,036,253.82 and 428,613.27 is: 591,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,854.69 : 1,036,253.82 = 428,613.27 : x
  2. Step 2: Convert to fraction form
    750,854.69/1,036,253.82 = 428,613.27/x
  3. Step 3: Cross multiply
    750,854.69x = 1,036,253.82 × 428,613.27
  4. Step 4: Simplify right side
    750,854.69x = 444,152,138,340.19
  5. Step 5: Solve for x
    x = 444,152,138,340.19/750,854.69
  6. Step 6: Final answer
    x = 591,528.75

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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.