Home / 907,637.58-1,252,529.76-499,731

Finding the Fourth Proportional to 907,637.58, 1,252,529.76 and 499,731

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Solution

The fourth proportional to 907,637.58, 1,252,529.76 and 499,731 is: 689,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,637.58 : 1,252,529.76 = 499,731 : x
  2. Step 2: Convert to fraction form
    907,637.58/1,252,529.76 = 499,731/x
  3. Step 3: Cross multiply
    907,637.58x = 1,252,529.76 × 499,731
  4. Step 4: Simplify right side
    907,637.58x = 625,927,949,494.56
  5. Step 5: Solve for x
    x = 625,927,949,494.56/907,637.58
  6. Step 6: Final answer
    x = 689,623.22

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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.