Home / 726,640.16-1,090,006.32-228,023.84

Finding the Fourth Proportional to 726,640.16, 1,090,006.32 and 228,023.84

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Solution

The fourth proportional to 726,640.16, 1,090,006.32 and 228,023.84 is: 342,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,640.16 : 1,090,006.32 = 228,023.84 : x
  2. Step 2: Convert to fraction form
    726,640.16/1,090,006.32 = 228,023.84/x
  3. Step 3: Cross multiply
    726,640.16x = 1,090,006.32 × 228,023.84
  4. Step 4: Simplify right side
    726,640.16x = 248,547,426,710.67
  5. Step 5: Solve for x
    x = 248,547,426,710.67/726,640.16
  6. Step 6: Final answer
    x = 342,050.22

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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.