Home / 880,022.90-1,214,432.09-477,614.90

Finding the Fourth Proportional to 880,022.90, 1,214,432.09 and 477,614.90

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Solution

The fourth proportional to 880,022.90, 1,214,432.09 and 477,614.90 is: 659,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,022.90 : 1,214,432.09 = 477,614.90 : x
  2. Step 2: Convert to fraction form
    880,022.90/1,214,432.09 = 477,614.90/x
  3. Step 3: Cross multiply
    880,022.90x = 1,214,432.09 × 477,614.90
  4. Step 4: Simplify right side
    880,022.90x = 580,030,861,222.14
  5. Step 5: Solve for x
    x = 580,030,861,222.14/880,022.90
  6. Step 6: Final answer
    x = 659,108.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.