Home / 739,436.00-1,020,422.34-399,904.25

Finding the Fourth Proportional to 739,436.00, 1,020,422.34 and 399,904.25

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Solution

The fourth proportional to 739,436.00, 1,020,422.34 and 399,904.25 is: 551,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,436.00 : 1,020,422.34 = 399,904.25 : x
  2. Step 2: Convert to fraction form
    739,436.00/1,020,422.34 = 399,904.25/x
  3. Step 3: Cross multiply
    739,436.00x = 1,020,422.34 × 399,904.25
  4. Step 4: Simplify right side
    739,436.00x = 408,071,225,458.83
  5. Step 5: Solve for x
    x = 408,071,225,458.83/739,436.00
  6. Step 6: Final answer
    x = 551,868.22

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Double scale
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Similar ratio
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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.