Home / 959,580.98-1,439,869.62-391,378.94

Finding the Fourth Proportional to 959,580.98, 1,439,869.62 and 391,378.94

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Solution

The fourth proportional to 959,580.98, 1,439,869.62 and 391,378.94 is: 587,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,580.98 : 1,439,869.62 = 391,378.94 : x
  2. Step 2: Convert to fraction form
    959,580.98/1,439,869.62 = 391,378.94/x
  3. Step 3: Cross multiply
    959,580.98x = 1,439,869.62 × 391,378.94
  4. Step 4: Simplify right side
    959,580.98x = 563,534,645,613.80
  5. Step 5: Solve for x
    x = 563,534,645,613.80/959,580.98
  6. Step 6: Final answer
    x = 587,271.59

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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.