Home / 670,230.74-1,004,781.09-290,865.71

Finding the Fourth Proportional to 670,230.74, 1,004,781.09 and 290,865.71

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Solution

The fourth proportional to 670,230.74, 1,004,781.09 and 290,865.71 is: 436,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,230.74 : 1,004,781.09 = 290,865.71 : x
  2. Step 2: Convert to fraction form
    670,230.74/1,004,781.09 = 290,865.71/x
  3. Step 3: Cross multiply
    670,230.74x = 1,004,781.09 × 290,865.71
  4. Step 4: Simplify right side
    670,230.74x = 292,256,367,104.00
  5. Step 5: Solve for x
    x = 292,256,367,104.00/670,230.74
  6. Step 6: Final answer
    x = 436,053.36

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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.