Home / 878,157.35-1,317,323.62-238,471.46

Finding the Fourth Proportional to 878,157.35, 1,317,323.62 and 238,471.46

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Solution

The fourth proportional to 878,157.35, 1,317,323.62 and 238,471.46 is: 357,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,157.35 : 1,317,323.62 = 238,471.46 : x
  2. Step 2: Convert to fraction form
    878,157.35/1,317,323.62 = 238,471.46/x
  3. Step 3: Cross multiply
    878,157.35x = 1,317,323.62 × 238,471.46
  4. Step 4: Simplify right side
    878,157.35x = 314,144,085,605.32
  5. Step 5: Solve for x
    x = 314,144,085,605.32/878,157.35
  6. Step 6: Final answer
    x = 357,730.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.