Home / 663,106.02-915,086.34-361,300.02

Finding the Fourth Proportional to 663,106.02, 915,086.34 and 361,300.02

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Solution

The fourth proportional to 663,106.02, 915,086.34 and 361,300.02 is: 498,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,106.02 : 915,086.34 = 361,300.02 : x
  2. Step 2: Convert to fraction form
    663,106.02/915,086.34 = 361,300.02/x
  3. Step 3: Cross multiply
    663,106.02x = 915,086.34 × 361,300.02
  4. Step 4: Simplify right side
    663,106.02x = 330,620,712,943.73
  5. Step 5: Solve for x
    x = 330,620,712,943.73/663,106.02
  6. Step 6: Final answer
    x = 498,594.05

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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.