Home / 907,949.28-1,362,957.36-459,176.88

Finding the Fourth Proportional to 907,949.28, 1,362,957.36 and 459,176.88

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Solution

The fourth proportional to 907,949.28, 1,362,957.36 and 459,176.88 is: 689,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,949.28 : 1,362,957.36 = 459,176.88 : x
  2. Step 2: Convert to fraction form
    907,949.28/1,362,957.36 = 459,176.88/x
  3. Step 3: Cross multiply
    907,949.28x = 1,362,957.36 × 459,176.88
  4. Step 4: Simplify right side
    907,949.28x = 625,838,508,137.84
  5. Step 5: Solve for x
    x = 625,838,508,137.84/907,949.28
  6. Step 6: Final answer
    x = 689,287.96

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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.