Home / 856,742.40-1,182,311.36-474,775.52

Finding the Fourth Proportional to 856,742.40, 1,182,311.36 and 474,775.52

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Solution

The fourth proportional to 856,742.40, 1,182,311.36 and 474,775.52 is: 655,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,742.40 : 1,182,311.36 = 474,775.52 : x
  2. Step 2: Convert to fraction form
    856,742.40/1,182,311.36 = 474,775.52/x
  3. Step 3: Cross multiply
    856,742.40x = 1,182,311.36 × 474,775.52
  4. Step 4: Simplify right side
    856,742.40x = 561,332,490,745.91
  5. Step 5: Solve for x
    x = 561,332,490,745.91/856,742.40
  6. Step 6: Final answer
    x = 655,194.01

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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.