Home / 751,328.88-1,036,508.04-497,034.24

Finding the Fourth Proportional to 751,328.88, 1,036,508.04 and 497,034.24

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Solution

The fourth proportional to 751,328.88, 1,036,508.04 and 497,034.24 is: 685,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,328.88 : 1,036,508.04 = 497,034.24 : x
  2. Step 2: Convert to fraction form
    751,328.88/1,036,508.04 = 497,034.24/x
  3. Step 3: Cross multiply
    751,328.88x = 1,036,508.04 × 497,034.24
  4. Step 4: Simplify right side
    751,328.88x = 515,179,985,915.29
  5. Step 5: Solve for x
    x = 515,179,985,915.29/751,328.88
  6. Step 6: Final answer
    x = 685,691.71

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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.