Home / 688,035.22-949,520.17-382,113.02

Finding the Fourth Proportional to 688,035.22, 949,520.17 and 382,113.02

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Solution

The fourth proportional to 688,035.22, 949,520.17 and 382,113.02 is: 527,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,035.22 : 949,520.17 = 382,113.02 : x
  2. Step 2: Convert to fraction form
    688,035.22/949,520.17 = 382,113.02/x
  3. Step 3: Cross multiply
    688,035.22x = 949,520.17 × 382,113.02
  4. Step 4: Simplify right side
    688,035.22x = 362,824,019,709.61
  5. Step 5: Solve for x
    x = 362,824,019,709.61/688,035.22
  6. Step 6: Final answer
    x = 527,333.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.