Home / 878,466.40-1,316,824.80-404,324.80

Finding the Fourth Proportional to 878,466.40, 1,316,824.80 and 404,324.80

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Solution

The fourth proportional to 878,466.40, 1,316,824.80 and 404,324.80 is: 606,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,466.40 : 1,316,824.80 = 404,324.80 : x
  2. Step 2: Convert to fraction form
    878,466.40/1,316,824.80 = 404,324.80/x
  3. Step 3: Cross multiply
    878,466.40x = 1,316,824.80 × 404,324.80
  4. Step 4: Simplify right side
    878,466.40x = 532,424,923,895.04
  5. Step 5: Solve for x
    x = 532,424,923,895.04/878,466.40
  6. Step 6: Final answer
    x = 606,084.56

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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.