Home / 914,732.55-1,372,316.83-315,698.92

Finding the Fourth Proportional to 914,732.55, 1,372,316.83 and 315,698.92

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Solution

The fourth proportional to 914,732.55, 1,372,316.83 and 315,698.92 is: 473,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,732.55 : 1,372,316.83 = 315,698.92 : x
  2. Step 2: Convert to fraction form
    914,732.55/1,372,316.83 = 315,698.92/x
  3. Step 3: Cross multiply
    914,732.55x = 1,372,316.83 × 315,698.92
  4. Step 4: Simplify right side
    914,732.55x = 433,238,936,908.78
  5. Step 5: Solve for x
    x = 433,238,936,908.78/914,732.55
  6. Step 6: Final answer
    x = 473,623.61

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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.