Home / 779,718.29-1,169,619.95-247,200.80

Finding the Fourth Proportional to 779,718.29, 1,169,619.95 and 247,200.80

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Solution

The fourth proportional to 779,718.29, 1,169,619.95 and 247,200.80 is: 370,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,718.29 : 1,169,619.95 = 247,200.80 : x
  2. Step 2: Convert to fraction form
    779,718.29/1,169,619.95 = 247,200.80/x
  3. Step 3: Cross multiply
    779,718.29x = 1,169,619.95 × 247,200.80
  4. Step 4: Simplify right side
    779,718.29x = 289,130,982,105.86
  5. Step 5: Solve for x
    x = 289,130,982,105.86/779,718.29
  6. Step 6: Final answer
    x = 370,814.67

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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.