Home / 850,808.18-1,174,140.42-468,859.70

Finding the Fourth Proportional to 850,808.18, 1,174,140.42 and 468,859.70

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Solution

The fourth proportional to 850,808.18, 1,174,140.42 and 468,859.70 is: 647,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,808.18 : 1,174,140.42 = 468,859.70 : x
  2. Step 2: Convert to fraction form
    850,808.18/1,174,140.42 = 468,859.70/x
  3. Step 3: Cross multiply
    850,808.18x = 1,174,140.42 × 468,859.70
  4. Step 4: Simplify right side
    850,808.18x = 550,507,125,079.07
  5. Step 5: Solve for x
    x = 550,507,125,079.07/850,808.18
  6. Step 6: Final answer
    x = 647,040.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.