Home / 905,377.56-1,358,704.52-425,627.26

Finding the Fourth Proportional to 905,377.56, 1,358,704.52 and 425,627.26

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Solution

The fourth proportional to 905,377.56, 1,358,704.52 and 425,627.26 is: 638,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,377.56 : 1,358,704.52 = 425,627.26 : x
  2. Step 2: Convert to fraction form
    905,377.56/1,358,704.52 = 425,627.26/x
  3. Step 3: Cross multiply
    905,377.56x = 1,358,704.52 × 425,627.26
  4. Step 4: Simplify right side
    905,377.56x = 578,301,681,997.22
  5. Step 5: Solve for x
    x = 578,301,681,997.22/905,377.56
  6. Step 6: Final answer
    x = 638,740.90

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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.