Home / 779,300.94-1,167,918.02-400,206.36

Finding the Fourth Proportional to 779,300.94, 1,167,918.02 and 400,206.36

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Solution

The fourth proportional to 779,300.94, 1,167,918.02 and 400,206.36 is: 599,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,300.94 : 1,167,918.02 = 400,206.36 : x
  2. Step 2: Convert to fraction form
    779,300.94/1,167,918.02 = 400,206.36/x
  3. Step 3: Cross multiply
    779,300.94x = 1,167,918.02 × 400,206.36
  4. Step 4: Simplify right side
    779,300.94x = 467,408,219,562.61
  5. Step 5: Solve for x
    x = 467,408,219,562.61/779,300.94
  6. Step 6: Final answer
    x = 599,778.85

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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.