Home / 774,542.76-1,068,952.29-468,787.40

Finding the Fourth Proportional to 774,542.76, 1,068,952.29 and 468,787.40

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Solution

The fourth proportional to 774,542.76, 1,068,952.29 and 468,787.40 is: 646,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,542.76 : 1,068,952.29 = 468,787.40 : x
  2. Step 2: Convert to fraction form
    774,542.76/1,068,952.29 = 468,787.40/x
  3. Step 3: Cross multiply
    774,542.76x = 1,068,952.29 × 468,787.40
  4. Step 4: Simplify right side
    774,542.76x = 501,111,364,295.93
  5. Step 5: Solve for x
    x = 501,111,364,295.93/774,542.76
  6. Step 6: Final answer
    x = 646,977.02

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Double scale
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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.