Home / 779,079.78-1,168,771.14-299,272.50

Finding the Fourth Proportional to 779,079.78, 1,168,771.14 and 299,272.50

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Solution

The fourth proportional to 779,079.78, 1,168,771.14 and 299,272.50 is: 448,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,079.78 : 1,168,771.14 = 299,272.50 : x
  2. Step 2: Convert to fraction form
    779,079.78/1,168,771.14 = 299,272.50/x
  3. Step 3: Cross multiply
    779,079.78x = 1,168,771.14 × 299,272.50
  4. Step 4: Simplify right side
    779,079.78x = 349,781,060,995.65
  5. Step 5: Solve for x
    x = 349,781,060,995.65/779,079.78
  6. Step 6: Final answer
    x = 448,966.94

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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.