Home / 727,775.40-1,091,663.10-697,060.20

Finding the Fourth Proportional to 727,775.40, 1,091,663.10 and 697,060.20

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Solution

The fourth proportional to 727,775.40, 1,091,663.10 and 697,060.20 is: 1,045,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,775.40 : 1,091,663.10 = 697,060.20 : x
  2. Step 2: Convert to fraction form
    727,775.40/1,091,663.10 = 697,060.20/x
  3. Step 3: Cross multiply
    727,775.40x = 1,091,663.10 × 697,060.20
  4. Step 4: Simplify right side
    727,775.40x = 760,954,898,818.62
  5. Step 5: Solve for x
    x = 760,954,898,818.62/727,775.40
  6. Step 6: Final answer
    x = 1,045,590.30

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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.