Home / 739,674.02-1,020,750.14-400,142.27

Finding the Fourth Proportional to 739,674.02, 1,020,750.14 and 400,142.27

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Solution

The fourth proportional to 739,674.02, 1,020,750.14 and 400,142.27 is: 552,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,674.02 : 1,020,750.14 = 400,142.27 : x
  2. Step 2: Convert to fraction form
    739,674.02/1,020,750.14 = 400,142.27/x
  3. Step 3: Cross multiply
    739,674.02x = 1,020,750.14 × 400,142.27
  4. Step 4: Simplify right side
    739,674.02x = 408,445,278,122.42
  5. Step 5: Solve for x
    x = 408,445,278,122.42/739,674.02
  6. Step 6: Final answer
    x = 552,196.33

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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.