Home / 770,117.52-1,154,888.64-264,534.96

Finding the Fourth Proportional to 770,117.52, 1,154,888.64 and 264,534.96

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Solution

The fourth proportional to 770,117.52, 1,154,888.64 and 264,534.96 is: 396,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,117.52 : 1,154,888.64 = 264,534.96 : x
  2. Step 2: Convert to fraction form
    770,117.52/1,154,888.64 = 264,534.96/x
  3. Step 3: Cross multiply
    770,117.52x = 1,154,888.64 × 264,534.96
  4. Step 4: Simplify right side
    770,117.52x = 305,508,420,186.85
  5. Step 5: Solve for x
    x = 305,508,420,186.85/770,117.52
  6. Step 6: Final answer
    x = 396,703.64

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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.