Home / 858,587.81-1,288,099.20-606,361.10

Finding the Fourth Proportional to 858,587.81, 1,288,099.20 and 606,361.10

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Solution

The fourth proportional to 858,587.81, 1,288,099.20 and 606,361.10 is: 909,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,587.81 : 1,288,099.20 = 606,361.10 : x
  2. Step 2: Convert to fraction form
    858,587.81/1,288,099.20 = 606,361.10/x
  3. Step 3: Cross multiply
    858,587.81x = 1,288,099.20 × 606,361.10
  4. Step 4: Simplify right side
    858,587.81x = 781,053,247,821.12
  5. Step 5: Solve for x
    x = 781,053,247,821.12/858,587.81
  6. Step 6: Final answer
    x = 909,695.24

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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.