Home / 772,908.99-1,158,802.98-519,561.11

Finding the Fourth Proportional to 772,908.99, 1,158,802.98 and 519,561.11

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Solution

The fourth proportional to 772,908.99, 1,158,802.98 and 519,561.11 is: 778,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,908.99 : 1,158,802.98 = 519,561.11 : x
  2. Step 2: Convert to fraction form
    772,908.99/1,158,802.98 = 519,561.11/x
  3. Step 3: Cross multiply
    772,908.99x = 1,158,802.98 × 519,561.11
  4. Step 4: Simplify right side
    772,908.99x = 602,068,956,766.09
  5. Step 5: Solve for x
    x = 602,068,956,766.09/772,908.99
  6. Step 6: Final answer
    x = 778,964.88

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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.