Home / 772,256.80-1,158,385.20-719,768.80

Finding the Fourth Proportional to 772,256.80, 1,158,385.20 and 719,768.80

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Solution

The fourth proportional to 772,256.80, 1,158,385.20 and 719,768.80 is: 1,079,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,256.80 : 1,158,385.20 = 719,768.80 : x
  2. Step 2: Convert to fraction form
    772,256.80/1,158,385.20 = 719,768.80/x
  3. Step 3: Cross multiply
    772,256.80x = 1,158,385.20 × 719,768.80
  4. Step 4: Simplify right side
    772,256.80x = 833,769,525,341.76
  5. Step 5: Solve for x
    x = 833,769,525,341.76/772,256.80
  6. Step 6: Final answer
    x = 1,079,653.20

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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.