Home / 847,683.72-1,271,591.21-240,461.80

Finding the Fourth Proportional to 847,683.72, 1,271,591.21 and 240,461.80

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Solution

The fourth proportional to 847,683.72, 1,271,591.21 and 240,461.80 is: 360,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,683.72 : 1,271,591.21 = 240,461.80 : x
  2. Step 2: Convert to fraction form
    847,683.72/1,271,591.21 = 240,461.80/x
  3. Step 3: Cross multiply
    847,683.72x = 1,271,591.21 × 240,461.80
  4. Step 4: Simplify right side
    847,683.72x = 305,769,108,642.95
  5. Step 5: Solve for x
    x = 305,769,108,642.95/847,683.72
  6. Step 6: Final answer
    x = 360,711.31

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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.