Home / 836,419.84-1,154,282.88-492,280

Finding the Fourth Proportional to 836,419.84, 1,154,282.88 and 492,280

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Solution

The fourth proportional to 836,419.84, 1,154,282.88 and 492,280 is: 679,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,419.84 : 1,154,282.88 = 492,280 : x
  2. Step 2: Convert to fraction form
    836,419.84/1,154,282.88 = 492,280/x
  3. Step 3: Cross multiply
    836,419.84x = 1,154,282.88 × 492,280
  4. Step 4: Simplify right side
    836,419.84x = 568,230,376,166.40
  5. Step 5: Solve for x
    x = 568,230,376,166.40/836,419.84
  6. Step 6: Final answer
    x = 679,360.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.