Home / 779,903.78-1,169,897.18-247,466.48

Finding the Fourth Proportional to 779,903.78, 1,169,897.18 and 247,466.48

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Solution

The fourth proportional to 779,903.78, 1,169,897.18 and 247,466.48 is: 371,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,903.78 : 1,169,897.18 = 247,466.48 : x
  2. Step 2: Convert to fraction form
    779,903.78/1,169,897.18 = 247,466.48/x
  3. Step 3: Cross multiply
    779,903.78x = 1,169,897.18 × 247,466.48
  4. Step 4: Simplify right side
    779,903.78x = 289,510,330,009.71
  5. Step 5: Solve for x
    x = 289,510,330,009.71/779,903.78
  6. Step 6: Final answer
    x = 371,212.88

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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.