Home / 826,269.66-1,140,295.62-463,674.78

Finding the Fourth Proportional to 826,269.66, 1,140,295.62 and 463,674.78

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Solution

The fourth proportional to 826,269.66, 1,140,295.62 and 463,674.78 is: 639,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,269.66 : 1,140,295.62 = 463,674.78 : x
  2. Step 2: Convert to fraction form
    826,269.66/1,140,295.62 = 463,674.78/x
  3. Step 3: Cross multiply
    826,269.66x = 1,140,295.62 × 463,674.78
  4. Step 4: Simplify right side
    826,269.66x = 528,726,320,738.46
  5. Step 5: Solve for x
    x = 528,726,320,738.46/826,269.66
  6. Step 6: Final answer
    x = 639,895.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.