Home / 729,976.80-1,095,784.40-564,498.40

Finding the Fourth Proportional to 729,976.80, 1,095,784.40 and 564,498.40

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Solution

The fourth proportional to 729,976.80, 1,095,784.40 and 564,498.40 is: 847,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,976.80 : 1,095,784.40 = 564,498.40 : x
  2. Step 2: Convert to fraction form
    729,976.80/1,095,784.40 = 564,498.40/x
  3. Step 3: Cross multiply
    729,976.80x = 1,095,784.40 × 564,498.40
  4. Step 4: Simplify right side
    729,976.80x = 618,568,540,544.96
  5. Step 5: Solve for x
    x = 618,568,540,544.96/729,976.80
  6. Step 6: Final answer
    x = 847,381.10

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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.