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Finding the Fourth Proportional to 650,420.36, 975,909.72 and 251,341.46

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Solution

The fourth proportional to 650,420.36, 975,909.72 and 251,341.46 is: 377,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,420.36 : 975,909.72 = 251,341.46 : x
  2. Step 2: Convert to fraction form
    650,420.36/975,909.72 = 251,341.46/x
  3. Step 3: Cross multiply
    650,420.36x = 975,909.72 × 251,341.46
  4. Step 4: Simplify right side
    650,420.36x = 245,286,573,852.99
  5. Step 5: Solve for x
    x = 245,286,573,852.99/650,420.36
  6. Step 6: Final answer
    x = 377,120.07

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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.