Home / 560,114.88-772,927.80-318,363.90

Finding the Fourth Proportional to 560,114.88, 772,927.80 and 318,363.90

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Solution

The fourth proportional to 560,114.88, 772,927.80 and 318,363.90 is: 439,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,114.88 : 772,927.80 = 318,363.90 : x
  2. Step 2: Convert to fraction form
    560,114.88/772,927.80 = 318,363.90/x
  3. Step 3: Cross multiply
    560,114.88x = 772,927.80 × 318,363.90
  4. Step 4: Simplify right side
    560,114.88x = 246,072,308,826.42
  5. Step 5: Solve for x
    x = 246,072,308,826.42/560,114.88
  6. Step 6: Final answer
    x = 439,324.71

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1.5x scale

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.