Home / 983,942.34-1,476,342.36-344,704.65

Finding the Fourth Proportional to 983,942.34, 1,476,342.36 and 344,704.65

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Solution

The fourth proportional to 983,942.34, 1,476,342.36 and 344,704.65 is: 517,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,942.34 : 1,476,342.36 = 344,704.65 : x
  2. Step 2: Convert to fraction form
    983,942.34/1,476,342.36 = 344,704.65/x
  3. Step 3: Cross multiply
    983,942.34x = 1,476,342.36 × 344,704.65
  4. Step 4: Simplify right side
    983,942.34x = 508,902,076,483.97
  5. Step 5: Solve for x
    x = 508,902,076,483.97/983,942.34
  6. Step 6: Final answer
    x = 517,207.21

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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.