Home / 867,733.86-1,197,463.59-485,763.78

Finding the Fourth Proportional to 867,733.86, 1,197,463.59 and 485,763.78

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Solution

The fourth proportional to 867,733.86, 1,197,463.59 and 485,763.78 is: 670,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,733.86 : 1,197,463.59 = 485,763.78 : x
  2. Step 2: Convert to fraction form
    867,733.86/1,197,463.59 = 485,763.78/x
  3. Step 3: Cross multiply
    867,733.86x = 1,197,463.59 × 485,763.78
  4. Step 4: Simplify right side
    867,733.86x = 581,684,439,890.77
  5. Step 5: Solve for x
    x = 581,684,439,890.77/867,733.86
  6. Step 6: Final answer
    x = 670,348.90

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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.