Home / 826,427.24-1,140,478.05-463,843.84

Finding the Fourth Proportional to 826,427.24, 1,140,478.05 and 463,843.84

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Solution

The fourth proportional to 826,427.24, 1,140,478.05 and 463,843.84 is: 640,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,427.24 : 1,140,478.05 = 463,843.84 : x
  2. Step 2: Convert to fraction form
    826,427.24/1,140,478.05 = 463,843.84/x
  3. Step 3: Cross multiply
    826,427.24x = 1,140,478.05 × 463,843.84
  4. Step 4: Simplify right side
    826,427.24x = 529,003,718,147.71
  5. Step 5: Solve for x
    x = 529,003,718,147.71/826,427.24
  6. Step 6: Final answer
    x = 640,109.25

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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.