Home / 560,080.23-772,890.12-305,425.95

Finding the Fourth Proportional to 560,080.23, 772,890.12 and 305,425.95

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Solution

The fourth proportional to 560,080.23, 772,890.12 and 305,425.95 is: 421,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,080.23 : 772,890.12 = 305,425.95 : x
  2. Step 2: Convert to fraction form
    560,080.23/772,890.12 = 305,425.95/x
  3. Step 3: Cross multiply
    560,080.23x = 772,890.12 × 305,425.95
  4. Step 4: Simplify right side
    560,080.23x = 236,060,699,146.61
  5. Step 5: Solve for x
    x = 236,060,699,146.61/560,080.23
  6. Step 6: Final answer
    x = 421,476.58

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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.