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Finding the Fourth Proportional to 676,479.80, 933,502.27 and 370,495.27

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Solution

The fourth proportional to 676,479.80, 933,502.27 and 370,495.27 is: 511,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,479.80 : 933,502.27 = 370,495.27 : x
  2. Step 2: Convert to fraction form
    676,479.80/933,502.27 = 370,495.27/x
  3. Step 3: Cross multiply
    676,479.80x = 933,502.27 × 370,495.27
  4. Step 4: Simplify right side
    676,479.80x = 345,858,171,253.63
  5. Step 5: Solve for x
    x = 345,858,171,253.63/676,479.80
  6. Step 6: Final answer
    x = 511,261.64

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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.