Home / 939,841.76-1,296,946.88-510,112.74

Finding the Fourth Proportional to 939,841.76, 1,296,946.88 and 510,112.74

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Solution

The fourth proportional to 939,841.76, 1,296,946.88 and 510,112.74 is: 703,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,841.76 : 1,296,946.88 = 510,112.74 : x
  2. Step 2: Convert to fraction form
    939,841.76/1,296,946.88 = 510,112.74/x
  3. Step 3: Cross multiply
    939,841.76x = 1,296,946.88 × 510,112.74
  4. Step 4: Simplify right side
    939,841.76x = 661,589,126,591.25
  5. Step 5: Solve for x
    x = 661,589,126,591.25/939,841.76
  6. Step 6: Final answer
    x = 703,936.72

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1.5x scale

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.