Home / 774,827.80-1,162,056.66-325,557.16

Finding the Fourth Proportional to 774,827.80, 1,162,056.66 and 325,557.16

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Solution

The fourth proportional to 774,827.80, 1,162,056.66 and 325,557.16 is: 488,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,827.80 : 1,162,056.66 = 325,557.16 : x
  2. Step 2: Convert to fraction form
    774,827.80/1,162,056.66 = 325,557.16/x
  3. Step 3: Cross multiply
    774,827.80x = 1,162,056.66 × 325,557.16
  4. Step 4: Simplify right side
    774,827.80x = 378,315,865,988.69
  5. Step 5: Solve for x
    x = 378,315,865,988.69/774,827.80
  6. Step 6: Final answer
    x = 488,257.99

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1.5x scale

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.