Home / 572,786.10-858,855.15-217,811.70

Finding the Fourth Proportional to 572,786.10, 858,855.15 and 217,811.70

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Solution

The fourth proportional to 572,786.10, 858,855.15 and 217,811.70 is: 326,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,786.10 : 858,855.15 = 217,811.70 : x
  2. Step 2: Convert to fraction form
    572,786.10/858,855.15 = 217,811.70/x
  3. Step 3: Cross multiply
    572,786.10x = 858,855.15 × 217,811.70
  4. Step 4: Simplify right side
    572,786.10x = 187,068,700,275.26
  5. Step 5: Solve for x
    x = 187,068,700,275.26/572,786.10
  6. Step 6: Final answer
    x = 326,594.34

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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.