Home / 862,330.34-1,190,509.12-572,335.17

Finding the Fourth Proportional to 862,330.34, 1,190,509.12 and 572,335.17

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Solution

The fourth proportional to 862,330.34, 1,190,509.12 and 572,335.17 is: 790,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,330.34 : 1,190,509.12 = 572,335.17 : x
  2. Step 2: Convert to fraction form
    862,330.34/1,190,509.12 = 572,335.17/x
  3. Step 3: Cross multiply
    862,330.34x = 1,190,509.12 × 572,335.17
  4. Step 4: Simplify right side
    862,330.34x = 681,370,235,832.76
  5. Step 5: Solve for x
    x = 681,370,235,832.76/862,330.34
  6. Step 6: Final answer
    x = 790,149.91

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1.5x scale

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.