Home / 670,316.60-1,004,908.44-290,950.40

Finding the Fourth Proportional to 670,316.60, 1,004,908.44 and 290,950.40

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Solution

The fourth proportional to 670,316.60, 1,004,908.44 and 290,950.40 is: 436,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,316.60 : 1,004,908.44 = 290,950.40 : x
  2. Step 2: Convert to fraction form
    670,316.60/1,004,908.44 = 290,950.40/x
  3. Step 3: Cross multiply
    670,316.60x = 1,004,908.44 × 290,950.40
  4. Step 4: Simplify right side
    670,316.60x = 292,378,512,581.38
  5. Step 5: Solve for x
    x = 292,378,512,581.38/670,316.60
  6. Step 6: Final answer
    x = 436,179.73

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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.