Home / 1,022,904.30-1,534,300.98-312,932.40

Finding the Fourth Proportional to 1,022,904.30, 1,534,300.98 and 312,932.40

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Solution

The fourth proportional to 1,022,904.30, 1,534,300.98 and 312,932.40 is: 469,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,904.30 : 1,534,300.98 = 312,932.40 : x
  2. Step 2: Convert to fraction form
    1,022,904.30/1,534,300.98 = 312,932.40/x
  3. Step 3: Cross multiply
    1,022,904.30x = 1,534,300.98 × 312,932.40
  4. Step 4: Simplify right side
    1,022,904.30x = 480,132,487,993.75
  5. Step 5: Solve for x
    x = 480,132,487,993.75/1,022,904.30
  6. Step 6: Final answer
    x = 469,381.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.