Home / 752,556.37-1,038,528.46-408,392.30

Finding the Fourth Proportional to 752,556.37, 1,038,528.46 and 408,392.30

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Solution

The fourth proportional to 752,556.37, 1,038,528.46 and 408,392.30 is: 563,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,556.37 : 1,038,528.46 = 408,392.30 : x
  2. Step 2: Convert to fraction form
    752,556.37/1,038,528.46 = 408,392.30/x
  3. Step 3: Cross multiply
    752,556.37x = 1,038,528.46 × 408,392.30
  4. Step 4: Simplify right side
    752,556.37x = 424,127,026,394.86
  5. Step 5: Solve for x
    x = 424,127,026,394.86/752,556.37
  6. Step 6: Final answer
    x = 563,581.74

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Double scale
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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.