Home / 992,634.46-1,370,078.88-563,165.98

Finding the Fourth Proportional to 992,634.46, 1,370,078.88 and 563,165.98

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Solution

The fourth proportional to 992,634.46, 1,370,078.88 and 563,165.98 is: 777,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,634.46 : 1,370,078.88 = 563,165.98 : x
  2. Step 2: Convert to fraction form
    992,634.46/1,370,078.88 = 563,165.98/x
  3. Step 3: Cross multiply
    992,634.46x = 1,370,078.88 × 563,165.98
  4. Step 4: Simplify right side
    992,634.46x = 771,581,815,132.50
  5. Step 5: Solve for x
    x = 771,581,815,132.50/992,634.46
  6. Step 6: Final answer
    x = 777,307.10

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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.