Home / 750,915.24-1,036,256.82-406,743.18

Finding the Fourth Proportional to 750,915.24, 1,036,256.82 and 406,743.18

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Solution

The fourth proportional to 750,915.24, 1,036,256.82 and 406,743.18 is: 561,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,915.24 : 1,036,256.82 = 406,743.18 : x
  2. Step 2: Convert to fraction form
    750,915.24/1,036,256.82 = 406,743.18/x
  3. Step 3: Cross multiply
    750,915.24x = 1,036,256.82 × 406,743.18
  4. Step 4: Simplify right side
    750,915.24x = 421,490,394,263.49
  5. Step 5: Solve for x
    x = 421,490,394,263.49/750,915.24
  6. Step 6: Final answer
    x = 561,302.22

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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.