Home / 856,635.87-1,182,139.86-474,659.31

Finding the Fourth Proportional to 856,635.87, 1,182,139.86 and 474,659.31

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Solution

The fourth proportional to 856,635.87, 1,182,139.86 and 474,659.31 is: 655,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,635.87 : 1,182,139.86 = 474,659.31 : x
  2. Step 2: Convert to fraction form
    856,635.87/1,182,139.86 = 474,659.31/x
  3. Step 3: Cross multiply
    856,635.87x = 1,182,139.86 × 474,659.31
  4. Step 4: Simplify right side
    856,635.87x = 561,113,690,271.10
  5. Step 5: Solve for x
    x = 561,113,690,271.10/856,635.87
  6. Step 6: Final answer
    x = 655,020.07

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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.