Home / 649,834.65-975,230.96-308,279.18

Finding the Fourth Proportional to 649,834.65, 975,230.96 and 308,279.18

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Solution

The fourth proportional to 649,834.65, 975,230.96 and 308,279.18 is: 462,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,834.65 : 975,230.96 = 308,279.18 : x
  2. Step 2: Convert to fraction form
    649,834.65/975,230.96 = 308,279.18/x
  3. Step 3: Cross multiply
    649,834.65x = 975,230.96 × 308,279.18
  4. Step 4: Simplify right side
    649,834.65x = 300,643,401,556.09
  5. Step 5: Solve for x
    x = 300,643,401,556.09/649,834.65
  6. Step 6: Final answer
    x = 462,646.00

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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.