Home / 538,048.94-742,541.12-296,331.45

Finding the Fourth Proportional to 538,048.94, 742,541.12 and 296,331.45

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Solution

The fourth proportional to 538,048.94, 742,541.12 and 296,331.45 is: 408,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,048.94 : 742,541.12 = 296,331.45 : x
  2. Step 2: Convert to fraction form
    538,048.94/742,541.12 = 296,331.45/x
  3. Step 3: Cross multiply
    538,048.94x = 742,541.12 × 296,331.45
  4. Step 4: Simplify right side
    538,048.94x = 220,038,286,774.22
  5. Step 5: Solve for x
    x = 220,038,286,774.22/538,048.94
  6. Step 6: Final answer
    x = 408,955.90

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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.