Home / 730,209.12-1,092,649.32-430,833.12

Finding the Fourth Proportional to 730,209.12, 1,092,649.32 and 430,833.12

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Solution

The fourth proportional to 730,209.12, 1,092,649.32 and 430,833.12 is: 644,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,209.12 : 1,092,649.32 = 430,833.12 : x
  2. Step 2: Convert to fraction form
    730,209.12/1,092,649.32 = 430,833.12/x
  3. Step 3: Cross multiply
    730,209.12x = 1,092,649.32 × 430,833.12
  4. Step 4: Simplify right side
    730,209.12x = 470,749,515,601.48
  5. Step 5: Solve for x
    x = 470,749,515,601.48/730,209.12
  6. Step 6: Final answer
    x = 644,677.67

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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.