Home / 878,323.38-1,211,417.37-756,023.82

Finding the Fourth Proportional to 878,323.38, 1,211,417.37 and 756,023.82

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Solution

The fourth proportional to 878,323.38, 1,211,417.37 and 756,023.82 is: 1,042,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,323.38 : 1,211,417.37 = 756,023.82 : x
  2. Step 2: Convert to fraction form
    878,323.38/1,211,417.37 = 756,023.82/x
  3. Step 3: Cross multiply
    878,323.38x = 1,211,417.37 × 756,023.82
  4. Step 4: Simplify right side
    878,323.38x = 915,860,387,681.75
  5. Step 5: Solve for x
    x = 915,860,387,681.75/878,323.38
  6. Step 6: Final answer
    x = 1,042,737.12

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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.