Home / 907,666.56-1,252,493.28-499,763.52

Finding the Fourth Proportional to 907,666.56, 1,252,493.28 and 499,763.52

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Solution

The fourth proportional to 907,666.56, 1,252,493.28 and 499,763.52 is: 689,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,666.56 : 1,252,493.28 = 499,763.52 : x
  2. Step 2: Convert to fraction form
    907,666.56/1,252,493.28 = 499,763.52/x
  3. Step 3: Cross multiply
    907,666.56x = 1,252,493.28 × 499,763.52
  4. Step 4: Simplify right side
    907,666.56x = 625,950,450,389.15
  5. Step 5: Solve for x
    x = 625,950,450,389.15/907,666.56
  6. Step 6: Final answer
    x = 689,625.99

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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.