Home / 968,108.80-1,452,508.80-407,315.20

Finding the Fourth Proportional to 968,108.80, 1,452,508.80 and 407,315.20

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Solution

The fourth proportional to 968,108.80, 1,452,508.80 and 407,315.20 is: 611,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,108.80 : 1,452,508.80 = 407,315.20 : x
  2. Step 2: Convert to fraction form
    968,108.80/1,452,508.80 = 407,315.20/x
  3. Step 3: Cross multiply
    968,108.80x = 1,452,508.80 × 407,315.20
  4. Step 4: Simplify right side
    968,108.80x = 591,628,912,373.76
  5. Step 5: Solve for x
    x = 591,628,912,373.76/968,108.80
  6. Step 6: Final answer
    x = 611,118.21

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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.