Home / 840,916.80-1,260,986.40-367,358.40

Finding the Fourth Proportional to 840,916.80, 1,260,986.40 and 367,358.40

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Solution

The fourth proportional to 840,916.80, 1,260,986.40 and 367,358.40 is: 550,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,916.80 : 1,260,986.40 = 367,358.40 : x
  2. Step 2: Convert to fraction form
    840,916.80/1,260,986.40 = 367,358.40/x
  3. Step 3: Cross multiply
    840,916.80x = 1,260,986.40 × 367,358.40
  4. Step 4: Simplify right side
    840,916.80x = 463,233,946,325.76
  5. Step 5: Solve for x
    x = 463,233,946,325.76/840,916.80
  6. Step 6: Final answer
    x = 550,867.75

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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.