Home / 721,892.08-1,083,902.61-402,667.67

Finding the Fourth Proportional to 721,892.08, 1,083,902.61 and 402,667.67

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Solution

The fourth proportional to 721,892.08, 1,083,902.61 and 402,667.67 is: 604,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,892.08 : 1,083,902.61 = 402,667.67 : x
  2. Step 2: Convert to fraction form
    721,892.08/1,083,902.61 = 402,667.67/x
  3. Step 3: Cross multiply
    721,892.08x = 1,083,902.61 × 402,667.67
  4. Step 4: Simplify right side
    721,892.08x = 436,452,542,695.38
  5. Step 5: Solve for x
    x = 436,452,542,695.38/721,892.08
  6. Step 6: Final answer
    x = 604,595.28

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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.