Home / 782,257.31-1,173,376.05-249,771.59

Finding the Fourth Proportional to 782,257.31, 1,173,376.05 and 249,771.59

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Solution

The fourth proportional to 782,257.31, 1,173,376.05 and 249,771.59 is: 374,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,257.31 : 1,173,376.05 = 249,771.59 : x
  2. Step 2: Convert to fraction form
    782,257.31/1,173,376.05 = 249,771.59/x
  3. Step 3: Cross multiply
    782,257.31x = 1,173,376.05 × 249,771.59
  4. Step 4: Simplify right side
    782,257.31x = 293,075,995,809.54
  5. Step 5: Solve for x
    x = 293,075,995,809.54/782,257.31
  6. Step 6: Final answer
    x = 374,654.21

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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.