Home / 572,394.15-858,609.88-287,929.67

Finding the Fourth Proportional to 572,394.15, 858,609.88 and 287,929.67

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Solution

The fourth proportional to 572,394.15, 858,609.88 and 287,929.67 is: 431,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,394.15 : 858,609.88 = 287,929.67 : x
  2. Step 2: Convert to fraction form
    572,394.15/858,609.88 = 287,929.67/x
  3. Step 3: Cross multiply
    572,394.15x = 858,609.88 × 287,929.67
  4. Step 4: Simplify right side
    572,394.15x = 247,219,254,394.27
  5. Step 5: Solve for x
    x = 247,219,254,394.27/572,394.15
  6. Step 6: Final answer
    x = 431,903.88

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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.