Home / 752,890.60-1,128,339.04-552,271.80

Finding the Fourth Proportional to 752,890.60, 1,128,339.04 and 552,271.80

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Solution

The fourth proportional to 752,890.60, 1,128,339.04 and 552,271.80 is: 827,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,890.60 : 1,128,339.04 = 552,271.80 : x
  2. Step 2: Convert to fraction form
    752,890.60/1,128,339.04 = 552,271.80/x
  3. Step 3: Cross multiply
    752,890.60x = 1,128,339.04 × 552,271.80
  4. Step 4: Simplify right side
    752,890.60x = 623,149,832,631.07
  5. Step 5: Solve for x
    x = 623,149,832,631.07/752,890.60
  6. Step 6: Final answer
    x = 827,676.47

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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.