Home / 571,928.72-857,335.24-272,328.80

Finding the Fourth Proportional to 571,928.72, 857,335.24 and 272,328.80

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Solution

The fourth proportional to 571,928.72, 857,335.24 and 272,328.80 is: 408,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,928.72 : 857,335.24 = 272,328.80 : x
  2. Step 2: Convert to fraction form
    571,928.72/857,335.24 = 272,328.80/x
  3. Step 3: Cross multiply
    571,928.72x = 857,335.24 × 272,328.80
  4. Step 4: Simplify right side
    571,928.72x = 233,477,077,106.91
  5. Step 5: Solve for x
    x = 233,477,077,106.91/571,928.72
  6. Step 6: Final answer
    x = 408,227.58

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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.