Home / 639,525.49-882,548-353,047.93

Finding the Fourth Proportional to 639,525.49, 882,548 and 353,047.93

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Solution

The fourth proportional to 639,525.49, 882,548 and 353,047.93 is: 487,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,525.49 : 882,548 = 353,047.93 : x
  2. Step 2: Convert to fraction form
    639,525.49/882,548 = 353,047.93/x
  3. Step 3: Cross multiply
    639,525.49x = 882,548 × 353,047.93
  4. Step 4: Simplify right side
    639,525.49x = 311,581,744,525.64
  5. Step 5: Solve for x
    x = 311,581,744,525.64/639,525.49
  6. Step 6: Final answer
    x = 487,207.70

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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.