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Finding the Fourth Proportional to 529,171.52, 730,269.76 and 302,889.92

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Solution

The fourth proportional to 529,171.52, 730,269.76 and 302,889.92 is: 417,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,171.52 : 730,269.76 = 302,889.92 : x
  2. Step 2: Convert to fraction form
    529,171.52/730,269.76 = 302,889.92/x
  3. Step 3: Cross multiply
    529,171.52x = 730,269.76 × 302,889.92
  4. Step 4: Simplify right side
    529,171.52x = 221,191,349,184.82
  5. Step 5: Solve for x
    x = 221,191,349,184.82/529,171.52
  6. Step 6: Final answer
    x = 417,995.57

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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.