Home / 840,917.80-1,260,987.90-367,359.40

Finding the Fourth Proportional to 840,917.80, 1,260,987.90 and 367,359.40

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Solution

The fourth proportional to 840,917.80, 1,260,987.90 and 367,359.40 is: 550,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,917.80 : 1,260,987.90 = 367,359.40 : x
  2. Step 2: Convert to fraction form
    840,917.80/1,260,987.90 = 367,359.40/x
  3. Step 3: Cross multiply
    840,917.80x = 1,260,987.90 × 367,359.40
  4. Step 4: Simplify right side
    840,917.80x = 463,235,758,351.26
  5. Step 5: Solve for x
    x = 463,235,758,351.26/840,917.80
  6. Step 6: Final answer
    x = 550,869.25

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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.