Home / 847,402.70-1,169,131.09-479,829.77

Finding the Fourth Proportional to 847,402.70, 1,169,131.09 and 479,829.77

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Solution

The fourth proportional to 847,402.70, 1,169,131.09 and 479,829.77 is: 662,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,402.70 : 1,169,131.09 = 479,829.77 : x
  2. Step 2: Convert to fraction form
    847,402.70/1,169,131.09 = 479,829.77/x
  3. Step 3: Cross multiply
    847,402.70x = 1,169,131.09 × 479,829.77
  4. Step 4: Simplify right side
    847,402.70x = 560,983,902,014.55
  5. Step 5: Solve for x
    x = 560,983,902,014.55/847,402.70
  6. Step 6: Final answer
    x = 662,003.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.