Home / 910,959.50-1,257,124.20-508,551.50

Finding the Fourth Proportional to 910,959.50, 1,257,124.20 and 508,551.50

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Solution

The fourth proportional to 910,959.50, 1,257,124.20 and 508,551.50 is: 701,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,959.50 : 1,257,124.20 = 508,551.50 : x
  2. Step 2: Convert to fraction form
    910,959.50/1,257,124.20 = 508,551.50/x
  3. Step 3: Cross multiply
    910,959.50x = 1,257,124.20 × 508,551.50
  4. Step 4: Simplify right side
    910,959.50x = 639,312,397,596.30
  5. Step 5: Solve for x
    x = 639,312,397,596.30/910,959.50
  6. Step 6: Final answer
    x = 701,801.12

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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.