Home / 830,694.80-1,146,358.14-448,721.48

Finding the Fourth Proportional to 830,694.80, 1,146,358.14 and 448,721.48

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Solution

The fourth proportional to 830,694.80, 1,146,358.14 and 448,721.48 is: 619,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,694.80 : 1,146,358.14 = 448,721.48 : x
  2. Step 2: Convert to fraction form
    830,694.80/1,146,358.14 = 448,721.48/x
  3. Step 3: Cross multiply
    830,694.80x = 1,146,358.14 × 448,721.48
  4. Step 4: Simplify right side
    830,694.80x = 514,395,521,190.85
  5. Step 5: Solve for x
    x = 514,395,521,190.85/830,694.80
  6. Step 6: Final answer
    x = 619,235.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.