Home / 907,655.37-1,252,554.08-499,748.69

Finding the Fourth Proportional to 907,655.37, 1,252,554.08 and 499,748.69

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Solution

The fourth proportional to 907,655.37, 1,252,554.08 and 499,748.69 is: 689,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,655.37 : 1,252,554.08 = 499,748.69 : x
  2. Step 2: Convert to fraction form
    907,655.37/1,252,554.08 = 499,748.69/x
  3. Step 3: Cross multiply
    907,655.37x = 1,252,554.08 × 499,748.69
  4. Step 4: Simplify right side
    907,655.37x = 625,962,251,872.64
  5. Step 5: Solve for x
    x = 625,962,251,872.64/907,655.37
  6. Step 6: Final answer
    x = 689,647.49

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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.