Home / 772,251.95-1,065,653.93-428,084.57

Finding the Fourth Proportional to 772,251.95, 1,065,653.93 and 428,084.57

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Solution

The fourth proportional to 772,251.95, 1,065,653.93 and 428,084.57 is: 590,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,251.95 : 1,065,653.93 = 428,084.57 : x
  2. Step 2: Convert to fraction form
    772,251.95/1,065,653.93 = 428,084.57/x
  3. Step 3: Cross multiply
    772,251.95x = 1,065,653.93 × 428,084.57
  4. Step 4: Simplify right side
    772,251.95x = 456,189,996,924.17
  5. Step 5: Solve for x
    x = 456,189,996,924.17/772,251.95
  6. Step 6: Final answer
    x = 590,726.90

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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.