Home / 901,022.94-1,243,288.85-538,370.15

Finding the Fourth Proportional to 901,022.94, 1,243,288.85 and 538,370.15

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Solution

The fourth proportional to 901,022.94, 1,243,288.85 and 538,370.15 is: 742,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,022.94 : 1,243,288.85 = 538,370.15 : x
  2. Step 2: Convert to fraction form
    901,022.94/1,243,288.85 = 538,370.15/x
  3. Step 3: Cross multiply
    901,022.94x = 1,243,288.85 × 538,370.15
  4. Step 4: Simplify right side
    901,022.94x = 669,349,595,759.53
  5. Step 5: Solve for x
    x = 669,349,595,759.53/901,022.94
  6. Step 6: Final answer
    x = 742,877.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.