Home / 714,644.40-1,071,966.60-382,868.40

Finding the Fourth Proportional to 714,644.40, 1,071,966.60 and 382,868.40

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Solution

The fourth proportional to 714,644.40, 1,071,966.60 and 382,868.40 is: 574,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,644.40 : 1,071,966.60 = 382,868.40 : x
  2. Step 2: Convert to fraction form
    714,644.40/1,071,966.60 = 382,868.40/x
  3. Step 3: Cross multiply
    714,644.40x = 1,071,966.60 × 382,868.40
  4. Step 4: Simplify right side
    714,644.40x = 410,422,136,995.44
  5. Step 5: Solve for x
    x = 410,422,136,995.44/714,644.40
  6. Step 6: Final answer
    x = 574,302.60

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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.