Home / 554,250.49-830,530.09-288,097.45

Finding the Fourth Proportional to 554,250.49, 830,530.09 and 288,097.45

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Solution

The fourth proportional to 554,250.49, 830,530.09 and 288,097.45 is: 431,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,250.49 : 830,530.09 = 288,097.45 : x
  2. Step 2: Convert to fraction form
    554,250.49/830,530.09 = 288,097.45/x
  3. Step 3: Cross multiply
    554,250.49x = 830,530.09 × 288,097.45
  4. Step 4: Simplify right side
    554,250.49x = 239,273,601,077.27
  5. Step 5: Solve for x
    x = 239,273,601,077.27/554,250.49
  6. Step 6: Final answer
    x = 431,706.61

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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.