Home / 992,640.96-1,370,087.87-563,172.48

Finding the Fourth Proportional to 992,640.96, 1,370,087.87 and 563,172.48

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Solution

The fourth proportional to 992,640.96, 1,370,087.87 and 563,172.48 is: 777,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,640.96 : 1,370,087.87 = 563,172.48 : x
  2. Step 2: Convert to fraction form
    992,640.96/1,370,087.87 = 563,172.48/x
  3. Step 3: Cross multiply
    992,640.96x = 1,370,087.87 × 563,172.48
  4. Step 4: Simplify right side
    992,640.96x = 771,595,780,749.96
  5. Step 5: Solve for x
    x = 771,595,780,749.96/992,640.96
  6. Step 6: Final answer
    x = 777,316.08

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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.