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Finding the Fourth Proportional to 649,526.30, 975,172.97 and 365,416.77

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Solution

The fourth proportional to 649,526.30, 975,172.97 and 365,416.77 is: 548,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,526.30 : 975,172.97 = 365,416.77 : x
  2. Step 2: Convert to fraction form
    649,526.30/975,172.97 = 365,416.77/x
  3. Step 3: Cross multiply
    649,526.30x = 975,172.97 × 365,416.77
  4. Step 4: Simplify right side
    649,526.30x = 356,344,555,061.62
  5. Step 5: Solve for x
    x = 356,344,555,061.62/649,526.30
  6. Step 6: Final answer
    x = 548,622.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.