Home / 878,200.02-1,211,915.77-475,792.02

Finding the Fourth Proportional to 878,200.02, 1,211,915.77 and 475,792.02

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Solution

The fourth proportional to 878,200.02, 1,211,915.77 and 475,792.02 is: 656,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,200.02 : 1,211,915.77 = 475,792.02 : x
  2. Step 2: Convert to fraction form
    878,200.02/1,211,915.77 = 475,792.02/x
  3. Step 3: Cross multiply
    878,200.02x = 1,211,915.77 × 475,792.02
  4. Step 4: Simplify right side
    878,200.02x = 576,619,852,278.16
  5. Step 5: Solve for x
    x = 576,619,852,278.16/878,200.02
  6. Step 6: Final answer
    x = 656,592.85

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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.