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Finding the Fourth Proportional to 529,200.37, 730,301.57 and 287,484.76

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Solution

The fourth proportional to 529,200.37, 730,301.57 and 287,484.76 is: 396,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,200.37 : 730,301.57 = 287,484.76 : x
  2. Step 2: Convert to fraction form
    529,200.37/730,301.57 = 287,484.76/x
  3. Step 3: Cross multiply
    529,200.37x = 730,301.57 × 287,484.76
  4. Step 4: Simplify right side
    529,200.37x = 209,950,571,579.07
  5. Step 5: Solve for x
    x = 209,950,571,579.07/529,200.37
  6. Step 6: Final answer
    x = 396,731.72

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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.