Home / 730,428.10-1,095,970.20-330,863.20

Finding the Fourth Proportional to 730,428.10, 1,095,970.20 and 330,863.20

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Solution

The fourth proportional to 730,428.10, 1,095,970.20 and 330,863.20 is: 496,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,428.10 : 1,095,970.20 = 330,863.20 : x
  2. Step 2: Convert to fraction form
    730,428.10/1,095,970.20 = 330,863.20/x
  3. Step 3: Cross multiply
    730,428.10x = 1,095,970.20 × 330,863.20
  4. Step 4: Simplify right side
    730,428.10x = 362,616,207,476.64
  5. Step 5: Solve for x
    x = 362,616,207,476.64/730,428.10
  6. Step 6: Final answer
    x = 496,443.40

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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.