Home / 774,504.38-1,068,916.28-434,972.63

Finding the Fourth Proportional to 774,504.38, 1,068,916.28 and 434,972.63

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Solution

The fourth proportional to 774,504.38, 1,068,916.28 and 434,972.63 is: 600,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,504.38 : 1,068,916.28 = 434,972.63 : x
  2. Step 2: Convert to fraction form
    774,504.38/1,068,916.28 = 434,972.63/x
  3. Step 3: Cross multiply
    774,504.38x = 1,068,916.28 × 434,972.63
  4. Step 4: Simplify right side
    774,504.38x = 464,949,318,041.97
  5. Step 5: Solve for x
    x = 464,949,318,041.97/774,504.38
  6. Step 6: Final answer
    x = 600,318.52

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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.