Home / 994,715.28-1,492,220.61-354,969.18

Finding the Fourth Proportional to 994,715.28, 1,492,220.61 and 354,969.18

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Solution

The fourth proportional to 994,715.28, 1,492,220.61 and 354,969.18 is: 532,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,715.28 : 1,492,220.61 = 354,969.18 : x
  2. Step 2: Convert to fraction form
    994,715.28/1,492,220.61 = 354,969.18/x
  3. Step 3: Cross multiply
    994,715.28x = 1,492,220.61 × 354,969.18
  4. Step 4: Simplify right side
    994,715.28x = 529,692,326,310.80
  5. Step 5: Solve for x
    x = 529,692,326,310.80/994,715.28
  6. Step 6: Final answer
    x = 532,506.47

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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.