Home / 934,838.15-1,290,076.25-505,118.28

Finding the Fourth Proportional to 934,838.15, 1,290,076.25 and 505,118.28

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Solution

The fourth proportional to 934,838.15, 1,290,076.25 and 505,118.28 is: 697,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,838.15 : 1,290,076.25 = 505,118.28 : x
  2. Step 2: Convert to fraction form
    934,838.15/1,290,076.25 = 505,118.28/x
  3. Step 3: Cross multiply
    934,838.15x = 1,290,076.25 × 505,118.28
  4. Step 4: Simplify right side
    934,838.15x = 651,641,096,468.85
  5. Step 5: Solve for x
    x = 651,641,096,468.85/934,838.15
  6. Step 6: Final answer
    x = 697,063.02

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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.