Home / 675,935.64-932,836.32-389,474.28

Finding the Fourth Proportional to 675,935.64, 932,836.32 and 389,474.28

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Solution

The fourth proportional to 675,935.64, 932,836.32 and 389,474.28 is: 537,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,935.64 : 932,836.32 = 389,474.28 : x
  2. Step 2: Convert to fraction form
    675,935.64/932,836.32 = 389,474.28/x
  3. Step 3: Cross multiply
    675,935.64x = 932,836.32 × 389,474.28
  4. Step 4: Simplify right side
    675,935.64x = 363,315,754,089.85
  5. Step 5: Solve for x
    x = 363,315,754,089.85/675,935.64
  6. Step 6: Final answer
    x = 537,500.51

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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.