Home / 690,745.47-1,036,824.93-570,419.16

Finding the Fourth Proportional to 690,745.47, 1,036,824.93 and 570,419.16

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Solution

The fourth proportional to 690,745.47, 1,036,824.93 and 570,419.16 is: 856,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,745.47 : 1,036,824.93 = 570,419.16 : x
  2. Step 2: Convert to fraction form
    690,745.47/1,036,824.93 = 570,419.16/x
  3. Step 3: Cross multiply
    690,745.47x = 1,036,824.93 × 570,419.16
  4. Step 4: Simplify right side
    690,745.47x = 591,424,805,637.66
  5. Step 5: Solve for x
    x = 591,424,805,637.66/690,745.47
  6. Step 6: Final answer
    x = 856,212.36

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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.