Home / 772,235.33-1,065,052.89-543,549.65

Finding the Fourth Proportional to 772,235.33, 1,065,052.89 and 543,549.65

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Solution

The fourth proportional to 772,235.33, 1,065,052.89 and 543,549.65 is: 749,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,235.33 : 1,065,052.89 = 543,549.65 : x
  2. Step 2: Convert to fraction form
    772,235.33/1,065,052.89 = 543,549.65/x
  3. Step 3: Cross multiply
    772,235.33x = 1,065,052.89 × 543,549.65
  4. Step 4: Simplify right side
    772,235.33x = 578,909,120,265.72
  5. Step 5: Solve for x
    x = 578,909,120,265.72/772,235.33
  6. Step 6: Final answer
    x = 749,653.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.