Home / 877,785.89-1,211,443.04-495,837.27

Finding the Fourth Proportional to 877,785.89, 1,211,443.04 and 495,837.27

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Solution

The fourth proportional to 877,785.89, 1,211,443.04 and 495,837.27 is: 684,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,785.89 : 1,211,443.04 = 495,837.27 : x
  2. Step 2: Convert to fraction form
    877,785.89/1,211,443.04 = 495,837.27/x
  3. Step 3: Cross multiply
    877,785.89x = 1,211,443.04 × 495,837.27
  4. Step 4: Simplify right side
    877,785.89x = 600,678,607,234.91
  5. Step 5: Solve for x
    x = 600,678,607,234.91/877,785.89
  6. Step 6: Final answer
    x = 684,311.08

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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.