Home / 670,327.60-1,004,924.88-290,961.40

Finding the Fourth Proportional to 670,327.60, 1,004,924.88 and 290,961.40

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Solution

The fourth proportional to 670,327.60, 1,004,924.88 and 290,961.40 is: 436,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,327.60 : 1,004,924.88 = 290,961.40 : x
  2. Step 2: Convert to fraction form
    670,327.60/1,004,924.88 = 290,961.40/x
  3. Step 3: Cross multiply
    670,327.60x = 1,004,924.88 × 290,961.40
  4. Step 4: Simplify right side
    670,327.60x = 292,394,349,979.63
  5. Step 5: Solve for x
    x = 292,394,349,979.63/670,327.60
  6. Step 6: Final answer
    x = 436,196.20

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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.