Home / 817,927.76-1,226,899.40-510,273.20

Finding the Fourth Proportional to 817,927.76, 1,226,899.40 and 510,273.20

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Solution

The fourth proportional to 817,927.76, 1,226,899.40 and 510,273.20 is: 765,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,927.76 : 1,226,899.40 = 510,273.20 : x
  2. Step 2: Convert to fraction form
    817,927.76/1,226,899.40 = 510,273.20/x
  3. Step 3: Cross multiply
    817,927.76x = 1,226,899.40 × 510,273.20
  4. Step 4: Simplify right side
    817,927.76x = 626,053,882,916.08
  5. Step 5: Solve for x
    x = 626,053,882,916.08/817,927.76
  6. Step 6: Final answer
    x = 765,414.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.