Home / 875,706.10-1,313,614.51-370,172.86

Finding the Fourth Proportional to 875,706.10, 1,313,614.51 and 370,172.86

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Solution

The fourth proportional to 875,706.10, 1,313,614.51 and 370,172.86 is: 555,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,706.10 : 1,313,614.51 = 370,172.86 : x
  2. Step 2: Convert to fraction form
    875,706.10/1,313,614.51 = 370,172.86/x
  3. Step 3: Cross multiply
    875,706.10x = 1,313,614.51 × 370,172.86
  4. Step 4: Simplify right side
    875,706.10x = 486,264,435,894.73
  5. Step 5: Solve for x
    x = 486,264,435,894.73/875,706.10
  6. Step 6: Final answer
    x = 555,282.69

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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.