Home / 817,450.28-1,127,442.32-531,062.64

Finding the Fourth Proportional to 817,450.28, 1,127,442.32 and 531,062.64

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Solution

The fourth proportional to 817,450.28, 1,127,442.32 and 531,062.64 is: 732,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,450.28 : 1,127,442.32 = 531,062.64 : x
  2. Step 2: Convert to fraction form
    817,450.28/1,127,442.32 = 531,062.64/x
  3. Step 3: Cross multiply
    817,450.28x = 1,127,442.32 × 531,062.64
  4. Step 4: Simplify right side
    817,450.28x = 598,742,494,906.93
  5. Step 5: Solve for x
    x = 598,742,494,906.93/817,450.28
  6. Step 6: Final answer
    x = 732,451.27

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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.