Home / 845,358.60-1,269,163.80-490,627.20

Finding the Fourth Proportional to 845,358.60, 1,269,163.80 and 490,627.20

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Solution

The fourth proportional to 845,358.60, 1,269,163.80 and 490,627.20 is: 736,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,358.60 : 1,269,163.80 = 490,627.20 : x
  2. Step 2: Convert to fraction form
    845,358.60/1,269,163.80 = 490,627.20/x
  3. Step 3: Cross multiply
    845,358.60x = 1,269,163.80 × 490,627.20
  4. Step 4: Simplify right side
    845,358.60x = 622,686,281,535.36
  5. Step 5: Solve for x
    x = 622,686,281,535.36/845,358.60
  6. Step 6: Final answer
    x = 736,594.25

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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.