Home / 607,430.20-911,145.30-465,712.60

Finding the Fourth Proportional to 607,430.20, 911,145.30 and 465,712.60

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Solution

The fourth proportional to 607,430.20, 911,145.30 and 465,712.60 is: 698,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,430.20 : 911,145.30 = 465,712.60 : x
  2. Step 2: Convert to fraction form
    607,430.20/911,145.30 = 465,712.60/x
  3. Step 3: Cross multiply
    607,430.20x = 911,145.30 × 465,712.60
  4. Step 4: Simplify right side
    607,430.20x = 424,331,846,640.78
  5. Step 5: Solve for x
    x = 424,331,846,640.78/607,430.20
  6. Step 6: Final answer
    x = 698,568.90

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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.