Home / 722,484.02-996,984.08-400,175.30

Finding the Fourth Proportional to 722,484.02, 996,984.08 and 400,175.30

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Solution

The fourth proportional to 722,484.02, 996,984.08 and 400,175.30 is: 552,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,484.02 : 996,984.08 = 400,175.30 : x
  2. Step 2: Convert to fraction form
    722,484.02/996,984.08 = 400,175.30/x
  3. Step 3: Cross multiply
    722,484.02x = 996,984.08 × 400,175.30
  4. Step 4: Simplify right side
    722,484.02x = 398,968,403,309.22
  5. Step 5: Solve for x
    x = 398,968,403,309.22/722,484.02
  6. Step 6: Final answer
    x = 552,217.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.