Home / 649,826.18-975,218.20-308,270.68

Finding the Fourth Proportional to 649,826.18, 975,218.20 and 308,270.68

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Solution

The fourth proportional to 649,826.18, 975,218.20 and 308,270.68 is: 462,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,826.18 : 975,218.20 = 308,270.68 : x
  2. Step 2: Convert to fraction form
    649,826.18/975,218.20 = 308,270.68/x
  3. Step 3: Cross multiply
    649,826.18x = 975,218.20 × 308,270.68
  4. Step 4: Simplify right side
    649,826.18x = 300,631,174,453.65
  5. Step 5: Solve for x
    x = 300,631,174,453.65/649,826.18
  6. Step 6: Final answer
    x = 462,633.22

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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.