Home / 560,071.26-772,881.75-318,380.22

Finding the Fourth Proportional to 560,071.26, 772,881.75 and 318,380.22

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Solution

The fourth proportional to 560,071.26, 772,881.75 and 318,380.22 is: 439,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,071.26 : 772,881.75 = 318,380.22 : x
  2. Step 2: Convert to fraction form
    560,071.26/772,881.75 = 318,380.22/x
  3. Step 3: Cross multiply
    560,071.26x = 772,881.75 × 318,380.22
  4. Step 4: Simplify right side
    560,071.26x = 246,070,261,598.99
  5. Step 5: Solve for x
    x = 246,070,261,598.99/560,071.26
  6. Step 6: Final answer
    x = 439,355.27

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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.