Home / 790,045.29-1,185,136.29-221,436.23

Finding the Fourth Proportional to 790,045.29, 1,185,136.29 and 221,436.23

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Solution

The fourth proportional to 790,045.29, 1,185,136.29 and 221,436.23 is: 332,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,045.29 : 1,185,136.29 = 221,436.23 : x
  2. Step 2: Convert to fraction form
    790,045.29/1,185,136.29 = 221,436.23/x
  3. Step 3: Cross multiply
    790,045.29x = 1,185,136.29 × 221,436.23
  4. Step 4: Simplify right side
    790,045.29x = 262,432,106,168.11
  5. Step 5: Solve for x
    x = 262,432,106,168.11/790,045.29
  6. Step 6: Final answer
    x = 332,173.50

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Double scale
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Similar ratio
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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.