Home / 875,812.40-1,313,200.20-455,908.40

Finding the Fourth Proportional to 875,812.40, 1,313,200.20 and 455,908.40

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Solution

The fourth proportional to 875,812.40, 1,313,200.20 and 455,908.40 is: 683,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,812.40 : 1,313,200.20 = 455,908.40 : x
  2. Step 2: Convert to fraction form
    875,812.40/1,313,200.20 = 455,908.40/x
  3. Step 3: Cross multiply
    875,812.40x = 1,313,200.20 × 455,908.40
  4. Step 4: Simplify right side
    875,812.40x = 598,699,002,061.68
  5. Step 5: Solve for x
    x = 598,699,002,061.68/875,812.40
  6. Step 6: Final answer
    x = 683,592.74

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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.