Home / 772,911.91-1,158,807.34-519,563.96

Finding the Fourth Proportional to 772,911.91, 1,158,807.34 and 519,563.96

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Solution

The fourth proportional to 772,911.91, 1,158,807.34 and 519,563.96 is: 778,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,911.91 : 1,158,807.34 = 519,563.96 : x
  2. Step 2: Convert to fraction form
    772,911.91/1,158,807.34 = 519,563.96/x
  3. Step 3: Cross multiply
    772,911.91x = 1,158,807.34 × 519,563.96
  4. Step 4: Simplify right side
    772,911.91x = 602,074,530,447.47
  5. Step 5: Solve for x
    x = 602,074,530,447.47/772,911.91
  6. Step 6: Final answer
    x = 778,969.15

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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.