Home / 693,028.80-1,038,754.08-293,420.16

Finding the Fourth Proportional to 693,028.80, 1,038,754.08 and 293,420.16

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Solution

The fourth proportional to 693,028.80, 1,038,754.08 and 293,420.16 is: 439,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,028.80 : 1,038,754.08 = 293,420.16 : x
  2. Step 2: Convert to fraction form
    693,028.80/1,038,754.08 = 293,420.16/x
  3. Step 3: Cross multiply
    693,028.80x = 1,038,754.08 × 293,420.16
  4. Step 4: Simplify right side
    693,028.80x = 304,791,388,354.25
  5. Step 5: Solve for x
    x = 304,791,388,354.25/693,028.80
  6. Step 6: Final answer
    x = 439,796.14

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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.