Home / 774,173.95-1,068,443.80-468,418.95

Finding the Fourth Proportional to 774,173.95, 1,068,443.80 and 468,418.95

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Solution

The fourth proportional to 774,173.95, 1,068,443.80 and 468,418.95 is: 646,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,173.95 : 1,068,443.80 = 468,418.95 : x
  2. Step 2: Convert to fraction form
    774,173.95/1,068,443.80 = 468,418.95/x
  3. Step 3: Cross multiply
    774,173.95x = 1,068,443.80 × 468,418.95
  4. Step 4: Simplify right side
    774,173.95x = 500,479,321,758.96
  5. Step 5: Solve for x
    x = 500,479,321,758.96/774,173.95
  6. Step 6: Final answer
    x = 646,468.82

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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.