Home / 900,923.72-1,243,274.37-493,025.54

Finding the Fourth Proportional to 900,923.72, 1,243,274.37 and 493,025.54

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Solution

The fourth proportional to 900,923.72, 1,243,274.37 and 493,025.54 is: 680,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,923.72 : 1,243,274.37 = 493,025.54 : x
  2. Step 2: Convert to fraction form
    900,923.72/1,243,274.37 = 493,025.54/x
  3. Step 3: Cross multiply
    900,923.72x = 1,243,274.37 × 493,025.54
  4. Step 4: Simplify right side
    900,923.72x = 612,966,009,572.19
  5. Step 5: Solve for x
    x = 612,966,009,572.19/900,923.72
  6. Step 6: Final answer
    x = 680,375.04

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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.