Home / 916,700.25-1,375,087.23-436,681.29

Finding the Fourth Proportional to 916,700.25, 1,375,087.23 and 436,681.29

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Solution

The fourth proportional to 916,700.25, 1,375,087.23 and 436,681.29 is: 655,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,700.25 : 1,375,087.23 = 436,681.29 : x
  2. Step 2: Convert to fraction form
    916,700.25/1,375,087.23 = 436,681.29/x
  3. Step 3: Cross multiply
    916,700.25x = 1,375,087.23 × 436,681.29
  4. Step 4: Simplify right side
    916,700.25x = 600,474,865,458.93
  5. Step 5: Solve for x
    x = 600,474,865,458.93/916,700.25
  6. Step 6: Final answer
    x = 655,039.49

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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.