Home / 693,456.40-1,038,629.40-569,040.40

Finding the Fourth Proportional to 693,456.40, 1,038,629.40 and 569,040.40

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Solution

The fourth proportional to 693,456.40, 1,038,629.40 and 569,040.40 is: 852,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,456.40 : 1,038,629.40 = 569,040.40 : x
  2. Step 2: Convert to fraction form
    693,456.40/1,038,629.40 = 569,040.40/x
  3. Step 3: Cross multiply
    693,456.40x = 1,038,629.40 × 569,040.40
  4. Step 4: Simplify right side
    693,456.40x = 591,022,089,227.76
  5. Step 5: Solve for x
    x = 591,022,089,227.76/693,456.40
  6. Step 6: Final answer
    x = 852,284.43

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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.