Home / 750,300.30-1,125,450.45-697,156.20

Finding the Fourth Proportional to 750,300.30, 1,125,450.45 and 697,156.20

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Solution

The fourth proportional to 750,300.30, 1,125,450.45 and 697,156.20 is: 1,045,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,300.30 : 1,125,450.45 = 697,156.20 : x
  2. Step 2: Convert to fraction form
    750,300.30/1,125,450.45 = 697,156.20/x
  3. Step 3: Cross multiply
    750,300.30x = 1,125,450.45 × 697,156.20
  4. Step 4: Simplify right side
    750,300.30x = 784,614,759,010.29
  5. Step 5: Solve for x
    x = 784,614,759,010.29/750,300.30
  6. Step 6: Final answer
    x = 1,045,734.30

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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.