Home / 869,450.28-1,303,926.19-293,010.79

Finding the Fourth Proportional to 869,450.28, 1,303,926.19 and 293,010.79

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Solution

The fourth proportional to 869,450.28, 1,303,926.19 and 293,010.79 is: 439,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,450.28 : 1,303,926.19 = 293,010.79 : x
  2. Step 2: Convert to fraction form
    869,450.28/1,303,926.19 = 293,010.79/x
  3. Step 3: Cross multiply
    869,450.28x = 1,303,926.19 × 293,010.79
  4. Step 4: Simplify right side
    869,450.28x = 382,064,443,033.59
  5. Step 5: Solve for x
    x = 382,064,443,033.59/869,450.28
  6. Step 6: Final answer
    x = 439,432.19

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Double scale
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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.