Home / 762,815.32-1,052,734.34-423,283.57

Finding the Fourth Proportional to 762,815.32, 1,052,734.34 and 423,283.57

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Solution

The fourth proportional to 762,815.32, 1,052,734.34 and 423,283.57 is: 584,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,815.32 : 1,052,734.34 = 423,283.57 : x
  2. Step 2: Convert to fraction form
    762,815.32/1,052,734.34 = 423,283.57/x
  3. Step 3: Cross multiply
    762,815.32x = 1,052,734.34 × 423,283.57
  4. Step 4: Simplify right side
    762,815.32x = 445,605,148,123.17
  5. Step 5: Solve for x
    x = 445,605,148,123.17/762,815.32
  6. Step 6: Final answer
    x = 584,158.63

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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.