Home / 939,880.84-1,297,000.83-510,151.90

Finding the Fourth Proportional to 939,880.84, 1,297,000.83 and 510,151.90

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Solution

The fourth proportional to 939,880.84, 1,297,000.83 and 510,151.90 is: 703,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,880.84 : 1,297,000.83 = 510,151.90 : x
  2. Step 2: Convert to fraction form
    939,880.84/1,297,000.83 = 510,151.90/x
  3. Step 3: Cross multiply
    939,880.84x = 1,297,000.83 × 510,151.90
  4. Step 4: Simplify right side
    939,880.84x = 661,667,437,726.08
  5. Step 5: Solve for x
    x = 661,667,437,726.08/939,880.84
  6. Step 6: Final answer
    x = 703,990.77

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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.