Home / 670,821.41-1,006,238.10-191,048.78

Finding the Fourth Proportional to 670,821.41, 1,006,238.10 and 191,048.78

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Solution

The fourth proportional to 670,821.41, 1,006,238.10 and 191,048.78 is: 286,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,821.41 : 1,006,238.10 = 191,048.78 : x
  2. Step 2: Convert to fraction form
    670,821.41/1,006,238.10 = 191,048.78/x
  3. Step 3: Cross multiply
    670,821.41x = 1,006,238.10 × 191,048.78
  4. Step 4: Simplify right side
    670,821.41x = 192,240,556,363.33
  5. Step 5: Solve for x
    x = 192,240,556,363.33/670,821.41
  6. Step 6: Final answer
    x = 286,574.87

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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.