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Finding the Fourth Proportional to 538,235.25, 742,798.67 and 296,518.29

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Solution

The fourth proportional to 538,235.25, 742,798.67 and 296,518.29 is: 409,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,235.25 : 742,798.67 = 296,518.29 : x
  2. Step 2: Convert to fraction form
    538,235.25/742,798.67 = 296,518.29/x
  3. Step 3: Cross multiply
    538,235.25x = 742,798.67 × 296,518.29
  4. Step 4: Simplify right side
    538,235.25x = 220,253,389,960.08
  5. Step 5: Solve for x
    x = 220,253,389,960.08/538,235.25
  6. Step 6: Final answer
    x = 409,213.98

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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.