Home / 572,511.10-858,201.67-319,912.60

Finding the Fourth Proportional to 572,511.10, 858,201.67 and 319,912.60

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Solution

The fourth proportional to 572,511.10, 858,201.67 and 319,912.60 is: 479,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,511.10 : 858,201.67 = 319,912.60 : x
  2. Step 2: Convert to fraction form
    572,511.10/858,201.67 = 319,912.60/x
  3. Step 3: Cross multiply
    572,511.10x = 858,201.67 × 319,912.60
  4. Step 4: Simplify right side
    572,511.10x = 274,549,527,574.04
  5. Step 5: Solve for x
    x = 274,549,527,574.04/572,511.10
  6. Step 6: Final answer
    x = 479,553.20

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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.