Home / 514,852.20-772,257.24-215,255.88

Finding the Fourth Proportional to 514,852.20, 772,257.24 and 215,255.88

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Solution

The fourth proportional to 514,852.20, 772,257.24 and 215,255.88 is: 322,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,852.20 : 772,257.24 = 215,255.88 : x
  2. Step 2: Convert to fraction form
    514,852.20/772,257.24 = 215,255.88/x
  3. Step 3: Cross multiply
    514,852.20x = 772,257.24 × 215,255.88
  4. Step 4: Simplify right side
    514,852.20x = 166,232,911,782.57
  5. Step 5: Solve for x
    x = 166,232,911,782.57/514,852.20
  6. Step 6: Final answer
    x = 322,875.01

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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.