Home / 787,274.91-1,180,904.58-360,689.70

Finding the Fourth Proportional to 787,274.91, 1,180,904.58 and 360,689.70

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Solution

The fourth proportional to 787,274.91, 1,180,904.58 and 360,689.70 is: 541,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,274.91 : 1,180,904.58 = 360,689.70 : x
  2. Step 2: Convert to fraction form
    787,274.91/1,180,904.58 = 360,689.70/x
  3. Step 3: Cross multiply
    787,274.91x = 1,180,904.58 × 360,689.70
  4. Step 4: Simplify right side
    787,274.91x = 425,940,118,688.83
  5. Step 5: Solve for x
    x = 425,940,118,688.83/787,274.91
  6. Step 6: Final answer
    x = 541,030.98

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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.