Home / 560,623.50-773,681.76-318,928.14

Finding the Fourth Proportional to 560,623.50, 773,681.76 and 318,928.14

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Solution

The fourth proportional to 560,623.50, 773,681.76 and 318,928.14 is: 440,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,623.50 : 773,681.76 = 318,928.14 : x
  2. Step 2: Convert to fraction form
    560,623.50/773,681.76 = 318,928.14/x
  3. Step 3: Cross multiply
    560,623.50x = 773,681.76 × 318,928.14
  4. Step 4: Simplify right side
    560,623.50x = 246,748,884,668.73
  5. Step 5: Solve for x
    x = 246,748,884,668.73/560,623.50
  6. Step 6: Final answer
    x = 440,132.97

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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.