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Finding the Fourth Proportional to 529,492.77, 730,704.83 and 287,775.92

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Solution

The fourth proportional to 529,492.77, 730,704.83 and 287,775.92 is: 397,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,492.77 : 730,704.83 = 287,775.92 : x
  2. Step 2: Convert to fraction form
    529,492.77/730,704.83 = 287,775.92/x
  3. Step 3: Cross multiply
    529,492.77x = 730,704.83 × 287,775.92
  4. Step 4: Simplify right side
    529,492.77x = 210,279,255,089.58
  5. Step 5: Solve for x
    x = 210,279,255,089.58/529,492.77
  6. Step 6: Final answer
    x = 397,133.38

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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.