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Finding the Fourth Proportional to 662,710.30, 914,533.41 and 360,904.30

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Solution

The fourth proportional to 662,710.30, 914,533.41 and 360,904.30 is: 498,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,710.30 : 914,533.41 = 360,904.30 : x
  2. Step 2: Convert to fraction form
    662,710.30/914,533.41 = 360,904.30/x
  3. Step 3: Cross multiply
    662,710.30x = 914,533.41 × 360,904.30
  4. Step 4: Simplify right side
    662,710.30x = 330,059,040,162.66
  5. Step 5: Solve for x
    x = 330,059,040,162.66/662,710.30
  6. Step 6: Final answer
    x = 498,044.23

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1.5x scale

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.