Home / 779,828.80-1,169,743.20-476,710.60

Finding the Fourth Proportional to 779,828.80, 1,169,743.20 and 476,710.60

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Solution

The fourth proportional to 779,828.80, 1,169,743.20 and 476,710.60 is: 715,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,828.80 : 1,169,743.20 = 476,710.60 : x
  2. Step 2: Convert to fraction form
    779,828.80/1,169,743.20 = 476,710.60/x
  3. Step 3: Cross multiply
    779,828.80x = 1,169,743.20 × 476,710.60
  4. Step 4: Simplify right side
    779,828.80x = 557,628,982,717.92
  5. Step 5: Solve for x
    x = 557,628,982,717.92/779,828.80
  6. Step 6: Final answer
    x = 715,065.90

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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.