Home / 730,480.20-1,095,720.30-618,505.80

Finding the Fourth Proportional to 730,480.20, 1,095,720.30 and 618,505.80

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Solution

The fourth proportional to 730,480.20, 1,095,720.30 and 618,505.80 is: 927,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,480.20 : 1,095,720.30 = 618,505.80 : x
  2. Step 2: Convert to fraction form
    730,480.20/1,095,720.30 = 618,505.80/x
  3. Step 3: Cross multiply
    730,480.20x = 1,095,720.30 × 618,505.80
  4. Step 4: Simplify right side
    730,480.20x = 677,709,360,727.74
  5. Step 5: Solve for x
    x = 677,709,360,727.74/730,480.20
  6. Step 6: Final answer
    x = 927,758.70

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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.