Home / 722,964.02-997,675.18-400,671.29

Finding the Fourth Proportional to 722,964.02, 997,675.18 and 400,671.29

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Solution

The fourth proportional to 722,964.02, 997,675.18 and 400,671.29 is: 552,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,964.02 : 997,675.18 = 400,671.29 : x
  2. Step 2: Convert to fraction form
    722,964.02/997,675.18 = 400,671.29/x
  3. Step 3: Cross multiply
    722,964.02x = 997,675.18 × 400,671.29
  4. Step 4: Simplify right side
    722,964.02x = 399,739,802,864.09
  5. Step 5: Solve for x
    x = 399,739,802,864.09/722,964.02
  6. Step 6: Final answer
    x = 552,917.98

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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.