Home / 644,250.83-965,462.26-474,439.40

Finding the Fourth Proportional to 644,250.83, 965,462.26 and 474,439.40

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Solution

The fourth proportional to 644,250.83, 965,462.26 and 474,439.40 is: 710,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,250.83 : 965,462.26 = 474,439.40 : x
  2. Step 2: Convert to fraction form
    644,250.83/965,462.26 = 474,439.40/x
  3. Step 3: Cross multiply
    644,250.83x = 965,462.26 × 474,439.40
  4. Step 4: Simplify right side
    644,250.83x = 458,053,329,343.63
  5. Step 5: Solve for x
    x = 458,053,329,343.63/644,250.83
  6. Step 6: Final answer
    x = 710,986.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.