Home / 730,434.10-1,095,979.20-330,869.20

Finding the Fourth Proportional to 730,434.10, 1,095,979.20 and 330,869.20

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Solution

The fourth proportional to 730,434.10, 1,095,979.20 and 330,869.20 is: 496,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,434.10 : 1,095,979.20 = 330,869.20 : x
  2. Step 2: Convert to fraction form
    730,434.10/1,095,979.20 = 330,869.20/x
  3. Step 3: Cross multiply
    730,434.10x = 1,095,979.20 × 330,869.20
  4. Step 4: Simplify right side
    730,434.10x = 362,625,761,120.64
  5. Step 5: Solve for x
    x = 362,625,761,120.64/730,434.10
  6. Step 6: Final answer
    x = 496,452.40

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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.