Home / 907,727.40-1,252,652.94-499,820.40

Finding the Fourth Proportional to 907,727.40, 1,252,652.94 and 499,820.40

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Solution

The fourth proportional to 907,727.40, 1,252,652.94 and 499,820.40 is: 689,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,727.40 : 1,252,652.94 = 499,820.40 : x
  2. Step 2: Convert to fraction form
    907,727.40/1,252,652.94 = 499,820.40/x
  3. Step 3: Cross multiply
    907,727.40x = 1,252,652.94 × 499,820.40
  4. Step 4: Simplify right side
    907,727.40x = 626,101,493,531.98
  5. Step 5: Solve for x
    x = 626,101,493,531.98/907,727.40
  6. Step 6: Final answer
    x = 689,746.17

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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.