Home / 776,813.90-1,071,713.03-775,616.45

Finding the Fourth Proportional to 776,813.90, 1,071,713.03 and 775,616.45

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Solution

The fourth proportional to 776,813.90, 1,071,713.03 and 775,616.45 is: 1,070,060.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,813.90 : 1,071,713.03 = 775,616.45 : x
  2. Step 2: Convert to fraction form
    776,813.90/1,071,713.03 = 775,616.45/x
  3. Step 3: Cross multiply
    776,813.90x = 1,071,713.03 × 775,616.45
  4. Step 4: Simplify right side
    776,813.90x = 831,238,246,510.70
  5. Step 5: Solve for x
    x = 831,238,246,510.70/776,813.90
  6. Step 6: Final answer
    x = 1,070,060.99

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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.