Home / 992,640.48-1,370,087.24-563,172

Finding the Fourth Proportional to 992,640.48, 1,370,087.24 and 563,172

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Solution

The fourth proportional to 992,640.48, 1,370,087.24 and 563,172 is: 777,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,640.48 : 1,370,087.24 = 563,172 : x
  2. Step 2: Convert to fraction form
    992,640.48/1,370,087.24 = 563,172/x
  3. Step 3: Cross multiply
    992,640.48x = 1,370,087.24 × 563,172
  4. Step 4: Simplify right side
    992,640.48x = 771,594,771,125.28
  5. Step 5: Solve for x
    x = 771,594,771,125.28/992,640.48
  6. Step 6: Final answer
    x = 777,315.44

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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.