Home / 856,710.56-1,182,267.64-474,743.72

Finding the Fourth Proportional to 856,710.56, 1,182,267.64 and 474,743.72

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Solution

The fourth proportional to 856,710.56, 1,182,267.64 and 474,743.72 is: 655,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,710.56 : 1,182,267.64 = 474,743.72 : x
  2. Step 2: Convert to fraction form
    856,710.56/1,182,267.64 = 474,743.72/x
  3. Step 3: Cross multiply
    856,710.56x = 1,182,267.64 × 474,743.72
  4. Step 4: Simplify right side
    856,710.56x = 561,274,137,449.22
  5. Step 5: Solve for x
    x = 561,274,137,449.22/856,710.56
  6. Step 6: Final answer
    x = 655,150.25

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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.