Home / 646,723.52-892,443.84-356,326.08

Finding the Fourth Proportional to 646,723.52, 892,443.84 and 356,326.08

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Solution

The fourth proportional to 646,723.52, 892,443.84 and 356,326.08 is: 491,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,723.52 : 892,443.84 = 356,326.08 : x
  2. Step 2: Convert to fraction form
    646,723.52/892,443.84 = 356,326.08/x
  3. Step 3: Cross multiply
    646,723.52x = 892,443.84 × 356,326.08
  4. Step 4: Simplify right side
    646,723.52x = 318,001,015,127.35
  5. Step 5: Solve for x
    x = 318,001,015,127.35/646,723.52
  6. Step 6: Final answer
    x = 491,710.92

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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.