Home / 856,889.28-1,182,424.50-474,908.40

Finding the Fourth Proportional to 856,889.28, 1,182,424.50 and 474,908.40

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Solution

The fourth proportional to 856,889.28, 1,182,424.50 and 474,908.40 is: 655,327.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,889.28 : 1,182,424.50 = 474,908.40 : x
  2. Step 2: Convert to fraction form
    856,889.28/1,182,424.50 = 474,908.40/x
  3. Step 3: Cross multiply
    856,889.28x = 1,182,424.50 × 474,908.40
  4. Step 4: Simplify right side
    856,889.28x = 561,543,327,415.80
  5. Step 5: Solve for x
    x = 561,543,327,415.80/856,889.28
  6. Step 6: Final answer
    x = 655,327.75

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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.