Home / 730,429.10-1,095,971.70-330,864.20

Finding the Fourth Proportional to 730,429.10, 1,095,971.70 and 330,864.20

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Solution

The fourth proportional to 730,429.10, 1,095,971.70 and 330,864.20 is: 496,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,429.10 : 1,095,971.70 = 330,864.20 : x
  2. Step 2: Convert to fraction form
    730,429.10/1,095,971.70 = 330,864.20/x
  3. Step 3: Cross multiply
    730,429.10x = 1,095,971.70 × 330,864.20
  4. Step 4: Simplify right side
    730,429.10x = 362,617,799,743.14
  5. Step 5: Solve for x
    x = 362,617,799,743.14/730,429.10
  6. Step 6: Final answer
    x = 496,444.90

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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.