Home / 798,457.55-1,101,873.92-511,978.77

Finding the Fourth Proportional to 798,457.55, 1,101,873.92 and 511,978.77

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Solution

The fourth proportional to 798,457.55, 1,101,873.92 and 511,978.77 is: 706,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,457.55 : 1,101,873.92 = 511,978.77 : x
  2. Step 2: Convert to fraction form
    798,457.55/1,101,873.92 = 511,978.77/x
  3. Step 3: Cross multiply
    798,457.55x = 1,101,873.92 × 511,978.77
  4. Step 4: Simplify right side
    798,457.55x = 564,136,051,696.79
  5. Step 5: Solve for x
    x = 564,136,051,696.79/798,457.55
  6. Step 6: Final answer
    x = 706,532.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.