Home / 878,267.18-1,211,870.94-510,825.62

Finding the Fourth Proportional to 878,267.18, 1,211,870.94 and 510,825.62

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Solution

The fourth proportional to 878,267.18, 1,211,870.94 and 510,825.62 is: 704,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,267.18 : 1,211,870.94 = 510,825.62 : x
  2. Step 2: Convert to fraction form
    878,267.18/1,211,870.94 = 510,825.62/x
  3. Step 3: Cross multiply
    878,267.18x = 1,211,870.94 × 510,825.62
  4. Step 4: Simplify right side
    878,267.18x = 619,054,724,285.48
  5. Step 5: Solve for x
    x = 619,054,724,285.48/878,267.18
  6. Step 6: Final answer
    x = 704,859.23

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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.