Home / 908,571.24-1,253,811.10-500,710.79

Finding the Fourth Proportional to 908,571.24, 1,253,811.10 and 500,710.79

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Solution

The fourth proportional to 908,571.24, 1,253,811.10 and 500,710.79 is: 690,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,571.24 : 1,253,811.10 = 500,710.79 : x
  2. Step 2: Convert to fraction form
    908,571.24/1,253,811.10 = 500,710.79/x
  3. Step 3: Cross multiply
    908,571.24x = 1,253,811.10 × 500,710.79
  4. Step 4: Simplify right side
    908,571.24x = 627,796,738,870.94
  5. Step 5: Solve for x
    x = 627,796,738,870.94/908,571.24
  6. Step 6: Final answer
    x = 690,971.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.