Home / 779,921.84-1,169,879.68-247,484.39

Finding the Fourth Proportional to 779,921.84, 1,169,879.68 and 247,484.39

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Solution

The fourth proportional to 779,921.84, 1,169,879.68 and 247,484.39 is: 371,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,921.84 : 1,169,879.68 = 247,484.39 : x
  2. Step 2: Convert to fraction form
    779,921.84/1,169,879.68 = 247,484.39/x
  3. Step 3: Cross multiply
    779,921.84x = 1,169,879.68 × 247,484.39
  4. Step 4: Simplify right side
    779,921.84x = 289,526,953,438.15
  5. Step 5: Solve for x
    x = 289,526,953,438.15/779,921.84
  6. Step 6: Final answer
    x = 371,225.60

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1.5x scale

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.