Home / 888,458.70-1,333,562.85-439,686.30

Finding the Fourth Proportional to 888,458.70, 1,333,562.85 and 439,686.30

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Solution

The fourth proportional to 888,458.70, 1,333,562.85 and 439,686.30 is: 659,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,458.70 : 1,333,562.85 = 439,686.30 : x
  2. Step 2: Convert to fraction form
    888,458.70/1,333,562.85 = 439,686.30/x
  3. Step 3: Cross multiply
    888,458.70x = 1,333,562.85 × 439,686.30
  4. Step 4: Simplify right side
    888,458.70x = 586,349,315,333.96
  5. Step 5: Solve for x
    x = 586,349,315,333.96/888,458.70
  6. Step 6: Final answer
    x = 659,962.38

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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.