Home / 907,054.77-1,251,735.80-499,156.61

Finding the Fourth Proportional to 907,054.77, 1,251,735.80 and 499,156.61

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Solution

The fourth proportional to 907,054.77, 1,251,735.80 and 499,156.61 is: 688,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,054.77 : 1,251,735.80 = 499,156.61 : x
  2. Step 2: Convert to fraction form
    907,054.77/1,251,735.80 = 499,156.61/x
  3. Step 3: Cross multiply
    907,054.77x = 1,251,735.80 × 499,156.61
  4. Step 4: Simplify right side
    907,054.77x = 624,812,196,830.19
  5. Step 5: Solve for x
    x = 624,812,196,830.19/907,054.77
  6. Step 6: Final answer
    x = 688,836.24

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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.