Home / 560,113.88-772,926.42-318,362.90

Finding the Fourth Proportional to 560,113.88, 772,926.42 and 318,362.90

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Solution

The fourth proportional to 560,113.88, 772,926.42 and 318,362.90 is: 439,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,113.88 : 772,926.42 = 318,362.90 : x
  2. Step 2: Convert to fraction form
    560,113.88/772,926.42 = 318,362.90/x
  3. Step 3: Cross multiply
    560,113.88x = 772,926.42 × 318,362.90
  4. Step 4: Simplify right side
    560,113.88x = 246,071,096,557.82
  5. Step 5: Solve for x
    x = 246,071,096,557.82/560,113.88
  6. Step 6: Final answer
    x = 439,323.33

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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.