Home / 907,970.92-1,252,950.73-499,993.02

Finding the Fourth Proportional to 907,970.92, 1,252,950.73 and 499,993.02

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Solution

The fourth proportional to 907,970.92, 1,252,950.73 and 499,993.02 is: 689,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,970.92 : 1,252,950.73 = 499,993.02 : x
  2. Step 2: Convert to fraction form
    907,970.92/1,252,950.73 = 499,993.02/x
  3. Step 3: Cross multiply
    907,970.92x = 1,252,950.73 × 499,993.02
  4. Step 4: Simplify right side
    907,970.92x = 626,466,618,153.92
  5. Step 5: Solve for x
    x = 626,466,618,153.92/907,970.92
  6. Step 6: Final answer
    x = 689,963.31

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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.