Home / 500,767.08-691,036.02-274,407.72

Finding the Fourth Proportional to 500,767.08, 691,036.02 and 274,407.72

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Solution

The fourth proportional to 500,767.08, 691,036.02 and 274,407.72 is: 378,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,767.08 : 691,036.02 = 274,407.72 : x
  2. Step 2: Convert to fraction form
    500,767.08/691,036.02 = 274,407.72/x
  3. Step 3: Cross multiply
    500,767.08x = 691,036.02 × 274,407.72
  4. Step 4: Simplify right side
    500,767.08x = 189,625,618,686.07
  5. Step 5: Solve for x
    x = 189,625,618,686.07/500,767.08
  6. Step 6: Final answer
    x = 378,670.30

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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.