Home / 774,591.82-1,068,915.31-430,418.84

Finding the Fourth Proportional to 774,591.82, 1,068,915.31 and 430,418.84

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Solution

The fourth proportional to 774,591.82, 1,068,915.31 and 430,418.84 is: 593,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,591.82 : 1,068,915.31 = 430,418.84 : x
  2. Step 2: Convert to fraction form
    774,591.82/1,068,915.31 = 430,418.84/x
  3. Step 3: Cross multiply
    774,591.82x = 1,068,915.31 × 430,418.84
  4. Step 4: Simplify right side
    774,591.82x = 460,081,281,367.82
  5. Step 5: Solve for x
    x = 460,081,281,367.82/774,591.82
  6. Step 6: Final answer
    x = 593,966.10

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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.