Home / 670,150.20-1,005,298.82-290,810.19

Finding the Fourth Proportional to 670,150.20, 1,005,298.82 and 290,810.19

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Solution

The fourth proportional to 670,150.20, 1,005,298.82 and 290,810.19 is: 436,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,150.20 : 1,005,298.82 = 290,810.19 : x
  2. Step 2: Convert to fraction form
    670,150.20/1,005,298.82 = 290,810.19/x
  3. Step 3: Cross multiply
    670,150.20x = 1,005,298.82 × 290,810.19
  4. Step 4: Simplify right side
    670,150.20x = 292,351,140,850.98
  5. Step 5: Solve for x
    x = 292,351,140,850.98/670,150.20
  6. Step 6: Final answer
    x = 436,247.19

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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.