Home / 639,045.76-957,583.26-314,461.24

Finding the Fourth Proportional to 639,045.76, 957,583.26 and 314,461.24

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Solution

The fourth proportional to 639,045.76, 957,583.26 and 314,461.24 is: 471,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,045.76 : 957,583.26 = 314,461.24 : x
  2. Step 2: Convert to fraction form
    639,045.76/957,583.26 = 314,461.24/x
  3. Step 3: Cross multiply
    639,045.76x = 957,583.26 × 314,461.24
  4. Step 4: Simplify right side
    639,045.76x = 301,122,819,342.84
  5. Step 5: Solve for x
    x = 301,122,819,342.84/639,045.76
  6. Step 6: Final answer
    x = 471,206.97

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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.