Home / 767,761.65-1,059,514.74-423,597.56

Finding the Fourth Proportional to 767,761.65, 1,059,514.74 and 423,597.56

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Solution

The fourth proportional to 767,761.65, 1,059,514.74 and 423,597.56 is: 584,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,761.65 : 1,059,514.74 = 423,597.56 : x
  2. Step 2: Convert to fraction form
    767,761.65/1,059,514.74 = 423,597.56/x
  3. Step 3: Cross multiply
    767,761.65x = 1,059,514.74 × 423,597.56
  4. Step 4: Simplify right side
    767,761.65x = 448,807,858,648.03
  5. Step 5: Solve for x
    x = 448,807,858,648.03/767,761.65
  6. Step 6: Final answer
    x = 584,566.65

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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.