Home / 607,946.80-912,438.60-271,505.20

Finding the Fourth Proportional to 607,946.80, 912,438.60 and 271,505.20

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Solution

The fourth proportional to 607,946.80, 912,438.60 and 271,505.20 is: 407,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,946.80 : 912,438.60 = 271,505.20 : x
  2. Step 2: Convert to fraction form
    607,946.80/912,438.60 = 271,505.20/x
  3. Step 3: Cross multiply
    607,946.80x = 912,438.60 × 271,505.20
  4. Step 4: Simplify right side
    607,946.80x = 247,731,824,580.72
  5. Step 5: Solve for x
    x = 247,731,824,580.72/607,946.80
  6. Step 6: Final answer
    x = 407,489.31

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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.