Home / 843,376.50-1,265,065.97-344,740.50

Finding the Fourth Proportional to 843,376.50, 1,265,065.97 and 344,740.50

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Solution

The fourth proportional to 843,376.50, 1,265,065.97 and 344,740.50 is: 517,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,376.50 : 1,265,065.97 = 344,740.50 : x
  2. Step 2: Convert to fraction form
    843,376.50/1,265,065.97 = 344,740.50/x
  3. Step 3: Cross multiply
    843,376.50x = 1,265,065.97 × 344,740.50
  4. Step 4: Simplify right side
    843,376.50x = 436,119,473,307.08
  5. Step 5: Solve for x
    x = 436,119,473,307.08/843,376.50
  6. Step 6: Final answer
    x = 517,111.25

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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.