Home / 779,789.13-1,169,674.43-247,314.77

Finding the Fourth Proportional to 779,789.13, 1,169,674.43 and 247,314.77

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Solution

The fourth proportional to 779,789.13, 1,169,674.43 and 247,314.77 is: 370,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,789.13 : 1,169,674.43 = 247,314.77 : x
  2. Step 2: Convert to fraction form
    779,789.13/1,169,674.43 = 247,314.77/x
  3. Step 3: Cross multiply
    779,789.13x = 1,169,674.43 × 247,314.77
  4. Step 4: Simplify right side
    779,789.13x = 289,277,759,931.66
  5. Step 5: Solve for x
    x = 289,277,759,931.66/779,789.13
  6. Step 6: Final answer
    x = 370,969.21

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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.