Home / 879,222.71-1,318,649.51-247,988.90

Finding the Fourth Proportional to 879,222.71, 1,318,649.51 and 247,988.90

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Solution

The fourth proportional to 879,222.71, 1,318,649.51 and 247,988.90 is: 371,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,222.71 : 1,318,649.51 = 247,988.90 : x
  2. Step 2: Convert to fraction form
    879,222.71/1,318,649.51 = 247,988.90/x
  3. Step 3: Cross multiply
    879,222.71x = 1,318,649.51 × 247,988.90
  4. Step 4: Simplify right side
    879,222.71x = 327,010,433,637.25
  5. Step 5: Solve for x
    x = 327,010,433,637.25/879,222.71
  6. Step 6: Final answer
    x = 371,931.29

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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.