Home / 875,808.40-1,313,194.20-455,904.40

Finding the Fourth Proportional to 875,808.40, 1,313,194.20 and 455,904.40

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Solution

The fourth proportional to 875,808.40, 1,313,194.20 and 455,904.40 is: 683,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,808.40 : 1,313,194.20 = 455,904.40 : x
  2. Step 2: Convert to fraction form
    875,808.40/1,313,194.20 = 455,904.40/x
  3. Step 3: Cross multiply
    875,808.40x = 1,313,194.20 × 455,904.40
  4. Step 4: Simplify right side
    875,808.40x = 598,691,013,834.48
  5. Step 5: Solve for x
    x = 598,691,013,834.48/875,808.40
  6. Step 6: Final answer
    x = 683,586.75

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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.