Home / 917,755.02-1,376,659.68-438,033.39

Finding the Fourth Proportional to 917,755.02, 1,376,659.68 and 438,033.39

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Solution

The fourth proportional to 917,755.02, 1,376,659.68 and 438,033.39 is: 657,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,755.02 : 1,376,659.68 = 438,033.39 : x
  2. Step 2: Convert to fraction form
    917,755.02/1,376,659.68 = 438,033.39/x
  3. Step 3: Cross multiply
    917,755.02x = 1,376,659.68 × 438,033.39
  4. Step 4: Simplify right side
    917,755.02x = 603,022,906,506.72
  5. Step 5: Solve for x
    x = 603,022,906,506.72/917,755.02
  6. Step 6: Final answer
    x = 657,063.04

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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.