Home / 840,407.41-1,260,441.01-307,746.55

Finding the Fourth Proportional to 840,407.41, 1,260,441.01 and 307,746.55

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Solution

The fourth proportional to 840,407.41, 1,260,441.01 and 307,746.55 is: 461,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,407.41 : 1,260,441.01 = 307,746.55 : x
  2. Step 2: Convert to fraction form
    840,407.41/1,260,441.01 = 307,746.55/x
  3. Step 3: Cross multiply
    840,407.41x = 1,260,441.01 × 307,746.55
  4. Step 4: Simplify right side
    840,407.41x = 387,896,372,306.02
  5. Step 5: Solve for x
    x = 387,896,372,306.02/840,407.41
  6. Step 6: Final answer
    x = 461,557.53

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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.