Home / 878,938.32-1,318,409.64-247,855.44

Finding the Fourth Proportional to 878,938.32, 1,318,409.64 and 247,855.44

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Solution

The fourth proportional to 878,938.32, 1,318,409.64 and 247,855.44 is: 371,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,938.32 : 1,318,409.64 = 247,855.44 : x
  2. Step 2: Convert to fraction form
    878,938.32/1,318,409.64 = 247,855.44/x
  3. Step 3: Cross multiply
    878,938.32x = 1,318,409.64 × 247,855.44
  4. Step 4: Simplify right side
    878,938.32x = 326,775,001,422.44
  5. Step 5: Solve for x
    x = 326,775,001,422.44/878,938.32
  6. Step 6: Final answer
    x = 371,783.77

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1.5x scale

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.