Home / 739,994.20-1,021,192.00-400,462.45

Finding the Fourth Proportional to 739,994.20, 1,021,192.00 and 400,462.45

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Solution

The fourth proportional to 739,994.20, 1,021,192.00 and 400,462.45 is: 552,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,994.20 : 1,021,192.00 = 400,462.45 : x
  2. Step 2: Convert to fraction form
    739,994.20/1,021,192.00 = 400,462.45/x
  3. Step 3: Cross multiply
    739,994.20x = 1,021,192.00 × 400,462.45
  4. Step 4: Simplify right side
    739,994.20x = 408,949,046,686.26
  5. Step 5: Solve for x
    x = 408,949,046,686.26/739,994.20
  6. Step 6: Final answer
    x = 552,638.18

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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.