Home / 714,785.06-1,071,939.71-288,210.71

Finding the Fourth Proportional to 714,785.06, 1,071,939.71 and 288,210.71

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Solution

The fourth proportional to 714,785.06, 1,071,939.71 and 288,210.71 is: 432,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,785.06 : 1,071,939.71 = 288,210.71 : x
  2. Step 2: Convert to fraction form
    714,785.06/1,071,939.71 = 288,210.71/x
  3. Step 3: Cross multiply
    714,785.06x = 1,071,939.71 × 288,210.71
  4. Step 4: Simplify right side
    714,785.06x = 308,944,498,095.54
  5. Step 5: Solve for x
    x = 308,944,498,095.54/714,785.06
  6. Step 6: Final answer
    x = 432,220.14

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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.