Home / 907,715.10-1,364,525.10-643,306.80

Finding the Fourth Proportional to 907,715.10, 1,364,525.10 and 643,306.80

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Solution

The fourth proportional to 907,715.10, 1,364,525.10 and 643,306.80 is: 967,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,715.10 : 1,364,525.10 = 643,306.80 : x
  2. Step 2: Convert to fraction form
    907,715.10/1,364,525.10 = 643,306.80/x
  3. Step 3: Cross multiply
    907,715.10x = 1,364,525.10 × 643,306.80
  4. Step 4: Simplify right side
    907,715.10x = 877,808,275,600.68
  5. Step 5: Solve for x
    x = 877,808,275,600.68/907,715.10
  6. Step 6: Final answer
    x = 967,052.63

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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.