Home / 724,582.80-1,086,873.84-275,303.52

Finding the Fourth Proportional to 724,582.80, 1,086,873.84 and 275,303.52

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Solution

The fourth proportional to 724,582.80, 1,086,873.84 and 275,303.52 is: 412,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,582.80 : 1,086,873.84 = 275,303.52 : x
  2. Step 2: Convert to fraction form
    724,582.80/1,086,873.84 = 275,303.52/x
  3. Step 3: Cross multiply
    724,582.80x = 1,086,873.84 × 275,303.52
  4. Step 4: Simplify right side
    724,582.80x = 299,220,193,947.92
  5. Step 5: Solve for x
    x = 299,220,193,947.92/724,582.80
  6. Step 6: Final answer
    x = 412,955.14

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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.