Home / 887,550.80-1,330,451.40-437,903.60

Finding the Fourth Proportional to 887,550.80, 1,330,451.40 and 437,903.60

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Solution

The fourth proportional to 887,550.80, 1,330,451.40 and 437,903.60 is: 656,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,550.80 : 1,330,451.40 = 437,903.60 : x
  2. Step 2: Convert to fraction form
    887,550.80/1,330,451.40 = 437,903.60/x
  3. Step 3: Cross multiply
    887,550.80x = 1,330,451.40 × 437,903.60
  4. Step 4: Simplify right side
    887,550.80x = 582,609,457,685.04
  5. Step 5: Solve for x
    x = 582,609,457,685.04/887,550.80
  6. Step 6: Final answer
    x = 656,423.79

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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.