Home / 929,019.52-1,282,060.56-521,211.52

Finding the Fourth Proportional to 929,019.52, 1,282,060.56 and 521,211.52

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Solution

The fourth proportional to 929,019.52, 1,282,060.56 and 521,211.52 is: 719,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,019.52 : 1,282,060.56 = 521,211.52 : x
  2. Step 2: Convert to fraction form
    929,019.52/1,282,060.56 = 521,211.52/x
  3. Step 3: Cross multiply
    929,019.52x = 1,282,060.56 × 521,211.52
  4. Step 4: Simplify right side
    929,019.52x = 668,224,733,209.65
  5. Step 5: Solve for x
    x = 668,224,733,209.65/929,019.52
  6. Step 6: Final answer
    x = 719,279.54

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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.