Home / 829,200.23-1,243,824.95-230,205.53

Finding the Fourth Proportional to 829,200.23, 1,243,824.95 and 230,205.53

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Solution

The fourth proportional to 829,200.23, 1,243,824.95 and 230,205.53 is: 345,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,200.23 : 1,243,824.95 = 230,205.53 : x
  2. Step 2: Convert to fraction form
    829,200.23/1,243,824.95 = 230,205.53/x
  3. Step 3: Cross multiply
    829,200.23x = 1,243,824.95 × 230,205.53
  4. Step 4: Simplify right side
    829,200.23x = 286,335,381,841.97
  5. Step 5: Solve for x
    x = 286,335,381,841.97/829,200.23
  6. Step 6: Final answer
    x = 345,315.13

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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.