Home / 939,726.34-1,296,811.56-510,006.76

Finding the Fourth Proportional to 939,726.34, 1,296,811.56 and 510,006.76

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Solution

The fourth proportional to 939,726.34, 1,296,811.56 and 510,006.76 is: 703,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,726.34 : 1,296,811.56 = 510,006.76 : x
  2. Step 2: Convert to fraction form
    939,726.34/1,296,811.56 = 510,006.76/x
  3. Step 3: Cross multiply
    939,726.34x = 1,296,811.56 × 510,006.76
  4. Step 4: Simplify right side
    939,726.34x = 661,382,662,046.15
  5. Step 5: Solve for x
    x = 661,382,662,046.15/939,726.34
  6. Step 6: Final answer
    x = 703,803.47

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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.