Home / 907,543.06-1,252,386.52-499,640.83

Finding the Fourth Proportional to 907,543.06, 1,252,386.52 and 499,640.83

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Solution

The fourth proportional to 907,543.06, 1,252,386.52 and 499,640.83 is: 689,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,543.06 : 1,252,386.52 = 499,640.83 : x
  2. Step 2: Convert to fraction form
    907,543.06/1,252,386.52 = 499,640.83/x
  3. Step 3: Cross multiply
    907,543.06x = 1,252,386.52 × 499,640.83
  4. Step 4: Simplify right side
    907,543.06x = 625,743,435,953.54
  5. Step 5: Solve for x
    x = 625,743,435,953.54/907,543.06
  6. Step 6: Final answer
    x = 689,491.73

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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.