Home / 829,938.09-1,242,911.57-473,872.89

Finding the Fourth Proportional to 829,938.09, 1,242,911.57 and 473,872.89

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Solution

The fourth proportional to 829,938.09, 1,242,911.57 and 473,872.89 is: 709,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,938.09 : 1,242,911.57 = 473,872.89 : x
  2. Step 2: Convert to fraction form
    829,938.09/1,242,911.57 = 473,872.89/x
  3. Step 3: Cross multiply
    829,938.09x = 1,242,911.57 × 473,872.89
  4. Step 4: Simplify right side
    829,938.09x = 588,982,095,320.97
  5. Step 5: Solve for x
    x = 588,982,095,320.97/829,938.09
  6. Step 6: Final answer
    x = 709,669.92

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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.