Home / 888,037.40-1,332,056.10-389,401.40

Finding the Fourth Proportional to 888,037.40, 1,332,056.10 and 389,401.40

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Solution

The fourth proportional to 888,037.40, 1,332,056.10 and 389,401.40 is: 584,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,037.40 : 1,332,056.10 = 389,401.40 : x
  2. Step 2: Convert to fraction form
    888,037.40/1,332,056.10 = 389,401.40/x
  3. Step 3: Cross multiply
    888,037.40x = 1,332,056.10 × 389,401.40
  4. Step 4: Simplify right side
    888,037.40x = 518,704,510,218.54
  5. Step 5: Solve for x
    x = 518,704,510,218.54/888,037.40
  6. Step 6: Final answer
    x = 584,102.10

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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.