Home / 856,709.32-1,182,265.90-474,742.48

Finding the Fourth Proportional to 856,709.32, 1,182,265.90 and 474,742.48

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Solution

The fourth proportional to 856,709.32, 1,182,265.90 and 474,742.48 is: 655,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,709.32 : 1,182,265.90 = 474,742.48 : x
  2. Step 2: Convert to fraction form
    856,709.32/1,182,265.90 = 474,742.48/x
  3. Step 3: Cross multiply
    856,709.32x = 1,182,265.90 × 474,742.48
  4. Step 4: Simplify right side
    856,709.32x = 561,271,845,385.43
  5. Step 5: Solve for x
    x = 561,271,845,385.43/856,709.32
  6. Step 6: Final answer
    x = 655,148.52

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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.