Home / 786,297.96-1,177,718.13-649,815.24

Finding the Fourth Proportional to 786,297.96, 1,177,718.13 and 649,815.24

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Solution

The fourth proportional to 786,297.96, 1,177,718.13 and 649,815.24 is: 973,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,297.96 : 1,177,718.13 = 649,815.24 : x
  2. Step 2: Convert to fraction form
    786,297.96/1,177,718.13 = 649,815.24/x
  3. Step 3: Cross multiply
    786,297.96x = 1,177,718.13 × 649,815.24
  4. Step 4: Simplify right side
    786,297.96x = 765,299,189,298.30
  5. Step 5: Solve for x
    x = 765,299,189,298.30/786,297.96
  6. Step 6: Final answer
    x = 973,294.13

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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.