Home / 750,384.09-1,035,522.97-406,211.21

Finding the Fourth Proportional to 750,384.09, 1,035,522.97 and 406,211.21

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Solution

The fourth proportional to 750,384.09, 1,035,522.97 and 406,211.21 is: 560,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,384.09 : 1,035,522.97 = 406,211.21 : x
  2. Step 2: Convert to fraction form
    750,384.09/1,035,522.97 = 406,211.21/x
  3. Step 3: Cross multiply
    750,384.09x = 1,035,522.97 × 406,211.21
  4. Step 4: Simplify right side
    750,384.09x = 420,641,036,595.44
  5. Step 5: Solve for x
    x = 420,641,036,595.44/750,384.09
  6. Step 6: Final answer
    x = 560,567.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.