Home / 840,342.56-1,260,513.20-249,366.56

Finding the Fourth Proportional to 840,342.56, 1,260,513.20 and 249,366.56

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Solution

The fourth proportional to 840,342.56, 1,260,513.20 and 249,366.56 is: 374,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,342.56 : 1,260,513.20 = 249,366.56 : x
  2. Step 2: Convert to fraction form
    840,342.56/1,260,513.20 = 249,366.56/x
  3. Step 3: Cross multiply
    840,342.56x = 1,260,513.20 × 249,366.56
  4. Step 4: Simplify right side
    840,342.56x = 314,329,840,518.59
  5. Step 5: Solve for x
    x = 314,329,840,518.59/840,342.56
  6. Step 6: Final answer
    x = 374,049.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.