Home / 566,729.24-782,086.36-312,079.84

Finding the Fourth Proportional to 566,729.24, 782,086.36 and 312,079.84

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Solution

The fourth proportional to 566,729.24, 782,086.36 and 312,079.84 is: 430,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,729.24 : 782,086.36 = 312,079.84 : x
  2. Step 2: Convert to fraction form
    566,729.24/782,086.36 = 312,079.84/x
  3. Step 3: Cross multiply
    566,729.24x = 782,086.36 × 312,079.84
  4. Step 4: Simplify right side
    566,729.24x = 244,073,386,094.98
  5. Step 5: Solve for x
    x = 244,073,386,094.98/566,729.24
  6. Step 6: Final answer
    x = 430,670.18

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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.