Home / 649,307.20-973,960.80-531,209.20

Finding the Fourth Proportional to 649,307.20, 973,960.80 and 531,209.20

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Solution

The fourth proportional to 649,307.20, 973,960.80 and 531,209.20 is: 796,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,307.20 : 973,960.80 = 531,209.20 : x
  2. Step 2: Convert to fraction form
    649,307.20/973,960.80 = 531,209.20/x
  3. Step 3: Cross multiply
    649,307.20x = 973,960.80 × 531,209.20
  4. Step 4: Simplify right side
    649,307.20x = 517,376,937,399.36
  5. Step 5: Solve for x
    x = 517,376,937,399.36/649,307.20
  6. Step 6: Final answer
    x = 796,813.80

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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.