Home / 607,522.20-911,064.60-307,903.20

Finding the Fourth Proportional to 607,522.20, 911,064.60 and 307,903.20

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Solution

The fourth proportional to 607,522.20, 911,064.60 and 307,903.20 is: 461,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,522.20 : 911,064.60 = 307,903.20 : x
  2. Step 2: Convert to fraction form
    607,522.20/911,064.60 = 307,903.20/x
  3. Step 3: Cross multiply
    607,522.20x = 911,064.60 × 307,903.20
  4. Step 4: Simplify right side
    607,522.20x = 280,519,705,746.72
  5. Step 5: Solve for x
    x = 280,519,705,746.72/607,522.20
  6. Step 6: Final answer
    x = 461,743.96

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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.