Home / 886,904.20-1,331,012.40-587,285.20

Finding the Fourth Proportional to 886,904.20, 1,331,012.40 and 587,285.20

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Solution

The fourth proportional to 886,904.20, 1,331,012.40 and 587,285.20 is: 881,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,904.20 : 1,331,012.40 = 587,285.20 : x
  2. Step 2: Convert to fraction form
    886,904.20/1,331,012.40 = 587,285.20/x
  3. Step 3: Cross multiply
    886,904.20x = 1,331,012.40 × 587,285.20
  4. Step 4: Simplify right side
    886,904.20x = 781,683,883,536.48
  5. Step 5: Solve for x
    x = 781,683,883,536.48/886,904.20
  6. Step 6: Final answer
    x = 881,362.25

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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.