Home / 956,861.84-1,434,219.96-388,110.80

Finding the Fourth Proportional to 956,861.84, 1,434,219.96 and 388,110.80

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Solution

The fourth proportional to 956,861.84, 1,434,219.96 and 388,110.80 is: 581,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,861.84 : 1,434,219.96 = 388,110.80 : x
  2. Step 2: Convert to fraction form
    956,861.84/1,434,219.96 = 388,110.80/x
  3. Step 3: Cross multiply
    956,861.84x = 1,434,219.96 × 388,110.80
  4. Step 4: Simplify right side
    956,861.84x = 556,636,256,051.57
  5. Step 5: Solve for x
    x = 556,636,256,051.57/956,861.84
  6. Step 6: Final answer
    x = 581,731.06

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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.