Home / 832,008.12-1,245,562.74-515,447.16

Finding the Fourth Proportional to 832,008.12, 1,245,562.74 and 515,447.16

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Solution

The fourth proportional to 832,008.12, 1,245,562.74 and 515,447.16 is: 771,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,008.12 : 1,245,562.74 = 515,447.16 : x
  2. Step 2: Convert to fraction form
    832,008.12/1,245,562.74 = 515,447.16/x
  3. Step 3: Cross multiply
    832,008.12x = 1,245,562.74 × 515,447.16
  4. Step 4: Simplify right side
    832,008.12x = 642,021,776,934.82
  5. Step 5: Solve for x
    x = 642,021,776,934.82/832,008.12
  6. Step 6: Final answer
    x = 771,653.26

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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.