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Finding the Fourth Proportional to 702,493.89, 969,444.45 and 380,203.91

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Solution

The fourth proportional to 702,493.89, 969,444.45 and 380,203.91 is: 524,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,493.89 : 969,444.45 = 380,203.91 : x
  2. Step 2: Convert to fraction form
    702,493.89/969,444.45 = 380,203.91/x
  3. Step 3: Cross multiply
    702,493.89x = 969,444.45 × 380,203.91
  4. Step 4: Simplify right side
    702,493.89x = 368,586,565,570.58
  5. Step 5: Solve for x
    x = 368,586,565,570.58/702,493.89
  6. Step 6: Final answer
    x = 524,682.95

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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.