Home / 715,272.90-1,072,695.34-235,412.12

Finding the Fourth Proportional to 715,272.90, 1,072,695.34 and 235,412.12

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Solution

The fourth proportional to 715,272.90, 1,072,695.34 and 235,412.12 is: 353,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,272.90 : 1,072,695.34 = 235,412.12 : x
  2. Step 2: Convert to fraction form
    715,272.90/1,072,695.34 = 235,412.12/x
  3. Step 3: Cross multiply
    715,272.90x = 1,072,695.34 × 235,412.12
  4. Step 4: Simplify right side
    715,272.90x = 252,525,484,103.52
  5. Step 5: Solve for x
    x = 252,525,484,103.52/715,272.90
  6. Step 6: Final answer
    x = 353,047.74

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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.