Home / 719,378.80-1,077,772.20-344,575.60

Finding the Fourth Proportional to 719,378.80, 1,077,772.20 and 344,575.60

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Solution

The fourth proportional to 719,378.80, 1,077,772.20 and 344,575.60 is: 516,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,378.80 : 1,077,772.20 = 344,575.60 : x
  2. Step 2: Convert to fraction form
    719,378.80/1,077,772.20 = 344,575.60/x
  3. Step 3: Cross multiply
    719,378.80x = 1,077,772.20 × 344,575.60
  4. Step 4: Simplify right side
    719,378.80x = 371,374,002,478.32
  5. Step 5: Solve for x
    x = 371,374,002,478.32/719,378.80
  6. Step 6: Final answer
    x = 516,242.63

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1.5x scale

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.