Home / 824,897.30-1,236,361.80-740,260.40

Finding the Fourth Proportional to 824,897.30, 1,236,361.80 and 740,260.40

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Solution

The fourth proportional to 824,897.30, 1,236,361.80 and 740,260.40 is: 1,109,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,897.30 : 1,236,361.80 = 740,260.40 : x
  2. Step 2: Convert to fraction form
    824,897.30/1,236,361.80 = 740,260.40/x
  3. Step 3: Cross multiply
    824,897.30x = 1,236,361.80 × 740,260.40
  4. Step 4: Simplify right side
    824,897.30x = 915,229,680,612.72
  5. Step 5: Solve for x
    x = 915,229,680,612.72/824,897.30
  6. Step 6: Final answer
    x = 1,109,507.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.