Home / 670,325.60-1,004,921.88-290,959.40

Finding the Fourth Proportional to 670,325.60, 1,004,921.88 and 290,959.40

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Solution

The fourth proportional to 670,325.60, 1,004,921.88 and 290,959.40 is: 436,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,325.60 : 1,004,921.88 = 290,959.40 : x
  2. Step 2: Convert to fraction form
    670,325.60/1,004,921.88 = 290,959.40/x
  3. Step 3: Cross multiply
    670,325.60x = 1,004,921.88 × 290,959.40
  4. Step 4: Simplify right side
    670,325.60x = 292,391,467,251.67
  5. Step 5: Solve for x
    x = 292,391,467,251.67/670,325.60
  6. Step 6: Final answer
    x = 436,193.20

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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.