Home / 850,810.68-1,174,143.87-468,862.20

Finding the Fourth Proportional to 850,810.68, 1,174,143.87 and 468,862.20

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Solution

The fourth proportional to 850,810.68, 1,174,143.87 and 468,862.20 is: 647,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,810.68 : 1,174,143.87 = 468,862.20 : x
  2. Step 2: Convert to fraction form
    850,810.68/1,174,143.87 = 468,862.20/x
  3. Step 3: Cross multiply
    850,810.68x = 1,174,143.87 × 468,862.20
  4. Step 4: Simplify right side
    850,810.68x = 550,511,678,004.71
  5. Step 5: Solve for x
    x = 550,511,678,004.71/850,810.68
  6. Step 6: Final answer
    x = 647,043.69

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1.5x scale

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.