Home / 725,329.09-1,000,934.25-403,030.90

Finding the Fourth Proportional to 725,329.09, 1,000,934.25 and 403,030.90

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Solution

The fourth proportional to 725,329.09, 1,000,934.25 and 403,030.90 is: 556,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,329.09 : 1,000,934.25 = 403,030.90 : x
  2. Step 2: Convert to fraction form
    725,329.09/1,000,934.25 = 403,030.90/x
  3. Step 3: Cross multiply
    725,329.09x = 1,000,934.25 × 403,030.90
  4. Step 4: Simplify right side
    725,329.09x = 403,407,426,613.65
  5. Step 5: Solve for x
    x = 403,407,426,613.65/725,329.09
  6. Step 6: Final answer
    x = 556,171.58

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1.5x scale

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.