Home / 900,137.25-1,350,870.48-426,824.28

Finding the Fourth Proportional to 900,137.25, 1,350,870.48 and 426,824.28

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Solution

The fourth proportional to 900,137.25, 1,350,870.48 and 426,824.28 is: 640,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,137.25 : 1,350,870.48 = 426,824.28 : x
  2. Step 2: Convert to fraction form
    900,137.25/1,350,870.48 = 426,824.28/x
  3. Step 3: Cross multiply
    900,137.25x = 1,350,870.48 × 426,824.28
  4. Step 4: Simplify right side
    900,137.25x = 576,584,319,999.25
  5. Step 5: Solve for x
    x = 576,584,319,999.25/900,137.25
  6. Step 6: Final answer
    x = 640,551.56

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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.