Home / 776,711.63-1,071,645.45-500,952.80

Finding the Fourth Proportional to 776,711.63, 1,071,645.45 and 500,952.80

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Solution

The fourth proportional to 776,711.63, 1,071,645.45 and 500,952.80 is: 691,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,711.63 : 1,071,645.45 = 500,952.80 : x
  2. Step 2: Convert to fraction form
    776,711.63/1,071,645.45 = 500,952.80/x
  3. Step 3: Cross multiply
    776,711.63x = 1,071,645.45 × 500,952.80
  4. Step 4: Simplify right side
    776,711.63x = 536,843,788,784.76
  5. Step 5: Solve for x
    x = 536,843,788,784.76/776,711.63
  6. Step 6: Final answer
    x = 691,175.16

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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.