Home / 814,815.48-1,124,445.78-452,239.50

Finding the Fourth Proportional to 814,815.48, 1,124,445.78 and 452,239.50

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Solution

The fourth proportional to 814,815.48, 1,124,445.78 and 452,239.50 is: 624,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,815.48 : 1,124,445.78 = 452,239.50 : x
  2. Step 2: Convert to fraction form
    814,815.48/1,124,445.78 = 452,239.50/x
  3. Step 3: Cross multiply
    814,815.48x = 1,124,445.78 × 452,239.50
  4. Step 4: Simplify right side
    814,815.48x = 508,518,797,324.31
  5. Step 5: Solve for x
    x = 508,518,797,324.31/814,815.48
  6. Step 6: Final answer
    x = 624,090.74

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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.