Home / 559,899.11-772,660.75-318,182.15

Finding the Fourth Proportional to 559,899.11, 772,660.75 and 318,182.15

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Solution

The fourth proportional to 559,899.11, 772,660.75 and 318,182.15 is: 439,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,899.11 : 772,660.75 = 318,182.15 : x
  2. Step 2: Convert to fraction form
    559,899.11/772,660.75 = 318,182.15/x
  3. Step 3: Cross multiply
    559,899.11x = 772,660.75 × 318,182.15
  4. Step 4: Simplify right side
    559,899.11x = 245,846,858,655.61
  5. Step 5: Solve for x
    x = 245,846,858,655.61/559,899.11
  6. Step 6: Final answer
    x = 439,091.35

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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.