Home / 687,365.64-1,031,376.60-332,182.26

Finding the Fourth Proportional to 687,365.64, 1,031,376.60 and 332,182.26

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Solution

The fourth proportional to 687,365.64, 1,031,376.60 and 332,182.26 is: 498,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,365.64 : 1,031,376.60 = 332,182.26 : x
  2. Step 2: Convert to fraction form
    687,365.64/1,031,376.60 = 332,182.26/x
  3. Step 3: Cross multiply
    687,365.64x = 1,031,376.60 × 332,182.26
  4. Step 4: Simplify right side
    687,365.64x = 342,605,009,899.12
  5. Step 5: Solve for x
    x = 342,605,009,899.12/687,365.64
  6. Step 6: Final answer
    x = 498,431.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.