Home / 719,172.48-1,072,864.22-699,624.80

Finding the Fourth Proportional to 719,172.48, 1,072,864.22 and 699,624.80

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Solution

The fourth proportional to 719,172.48, 1,072,864.22 and 699,624.80 is: 1,043,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,172.48 : 1,072,864.22 = 699,624.80 : x
  2. Step 2: Convert to fraction form
    719,172.48/1,072,864.22 = 699,624.80/x
  3. Step 3: Cross multiply
    719,172.48x = 1,072,864.22 × 699,624.80
  4. Step 4: Simplify right side
    719,172.48x = 750,602,415,344.66
  5. Step 5: Solve for x
    x = 750,602,415,344.66/719,172.48
  6. Step 6: Final answer
    x = 1,043,702.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.