Home / 908,668.22-1,253,970.72-500,784.98

Finding the Fourth Proportional to 908,668.22, 1,253,970.72 and 500,784.98

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Solution

The fourth proportional to 908,668.22, 1,253,970.72 and 500,784.98 is: 691,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,668.22 : 1,253,970.72 = 500,784.98 : x
  2. Step 2: Convert to fraction form
    908,668.22/1,253,970.72 = 500,784.98/x
  3. Step 3: Cross multiply
    908,668.22x = 1,253,970.72 × 500,784.98
  4. Step 4: Simplify right side
    908,668.22x = 627,969,701,935.79
  5. Step 5: Solve for x
    x = 627,969,701,935.79/908,668.22
  6. Step 6: Final answer
    x = 691,088.00

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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.