Home / 649,983.83-975,315.69-266,017.70

Finding the Fourth Proportional to 649,983.83, 975,315.69 and 266,017.70

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Solution

The fourth proportional to 649,983.83, 975,315.69 and 266,017.70 is: 399,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,983.83 : 975,315.69 = 266,017.70 : x
  2. Step 2: Convert to fraction form
    649,983.83/975,315.69 = 266,017.70/x
  3. Step 3: Cross multiply
    649,983.83x = 975,315.69 × 266,017.70
  4. Step 4: Simplify right side
    649,983.83x = 259,451,239,066.00
  5. Step 5: Solve for x
    x = 259,451,239,066.00/649,983.83
  6. Step 6: Final answer
    x = 399,165.69

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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.