Home / 739,726.95-1,108,609.53-379,883.27

Finding the Fourth Proportional to 739,726.95, 1,108,609.53 and 379,883.27

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Solution

The fourth proportional to 739,726.95, 1,108,609.53 and 379,883.27 is: 569,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,726.95 : 1,108,609.53 = 379,883.27 : x
  2. Step 2: Convert to fraction form
    739,726.95/1,108,609.53 = 379,883.27/x
  3. Step 3: Cross multiply
    739,726.95x = 1,108,609.53 × 379,883.27
  4. Step 4: Simplify right side
    739,726.95x = 421,142,207,866.52
  5. Step 5: Solve for x
    x = 421,142,207,866.52/739,726.95
  6. Step 6: Final answer
    x = 569,321.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.