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Finding the Fourth Proportional to 524,002.50, 723,089.43 and 309,093.30

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Solution

The fourth proportional to 524,002.50, 723,089.43 and 309,093.30 is: 426,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,002.50 : 723,089.43 = 309,093.30 : x
  2. Step 2: Convert to fraction form
    524,002.50/723,089.43 = 309,093.30/x
  3. Step 3: Cross multiply
    524,002.50x = 723,089.43 × 309,093.30
  4. Step 4: Simplify right side
    524,002.50x = 223,502,098,113.82
  5. Step 5: Solve for x
    x = 223,502,098,113.82/524,002.50
  6. Step 6: Final answer
    x = 426,528.69

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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.