Home / 850,807.68-1,174,139.73-468,859.20

Finding the Fourth Proportional to 850,807.68, 1,174,139.73 and 468,859.20

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Solution

The fourth proportional to 850,807.68, 1,174,139.73 and 468,859.20 is: 647,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,807.68 : 1,174,139.73 = 468,859.20 : x
  2. Step 2: Convert to fraction form
    850,807.68/1,174,139.73 = 468,859.20/x
  3. Step 3: Cross multiply
    850,807.68x = 1,174,139.73 × 468,859.20
  4. Step 4: Simplify right side
    850,807.68x = 550,506,214,496.02
  5. Step 5: Solve for x
    x = 550,506,214,496.02/850,807.68
  6. Step 6: Final answer
    x = 647,039.55

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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.