Home / 770,718.30-1,156,077.45-718,230.30

Finding the Fourth Proportional to 770,718.30, 1,156,077.45 and 718,230.30

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Solution

The fourth proportional to 770,718.30, 1,156,077.45 and 718,230.30 is: 1,077,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,718.30 : 1,156,077.45 = 718,230.30 : x
  2. Step 2: Convert to fraction form
    770,718.30/1,156,077.45 = 718,230.30/x
  3. Step 3: Cross multiply
    770,718.30x = 1,156,077.45 × 718,230.30
  4. Step 4: Simplify right side
    770,718.30x = 830,329,853,736.74
  5. Step 5: Solve for x
    x = 830,329,853,736.74/770,718.30
  6. Step 6: Final answer
    x = 1,077,345.45

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Similar ratio
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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.