Home / 968,410.79-1,452,781.62-399,480.87

Finding the Fourth Proportional to 968,410.79, 1,452,781.62 and 399,480.87

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Solution

The fourth proportional to 968,410.79, 1,452,781.62 and 399,480.87 is: 599,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,410.79 : 1,452,781.62 = 399,480.87 : x
  2. Step 2: Convert to fraction form
    968,410.79/1,452,781.62 = 399,480.87/x
  3. Step 3: Cross multiply
    968,410.79x = 1,452,781.62 × 399,480.87
  4. Step 4: Simplify right side
    968,410.79x = 580,358,465,477.61
  5. Step 5: Solve for x
    x = 580,358,465,477.61/968,410.79
  6. Step 6: Final answer
    x = 599,289.55

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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.