Home / 730,561.32-1,095,579.23-427,059.18

Finding the Fourth Proportional to 730,561.32, 1,095,579.23 and 427,059.18

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Solution

The fourth proportional to 730,561.32, 1,095,579.23 and 427,059.18 is: 640,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,561.32 : 1,095,579.23 = 427,059.18 : x
  2. Step 2: Convert to fraction form
    730,561.32/1,095,579.23 = 427,059.18/x
  3. Step 3: Cross multiply
    730,561.32x = 1,095,579.23 × 427,059.18
  4. Step 4: Simplify right side
    730,561.32x = 467,877,165,453.54
  5. Step 5: Solve for x
    x = 467,877,165,453.54/730,561.32
  6. Step 6: Final answer
    x = 640,435.17

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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.