Home / 776,744.43-1,070,069.50-740,870.34

Finding the Fourth Proportional to 776,744.43, 1,070,069.50 and 740,870.34

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Solution

The fourth proportional to 776,744.43, 1,070,069.50 and 740,870.34 is: 1,020,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,744.43 : 1,070,069.50 = 740,870.34 : x
  2. Step 2: Convert to fraction form
    776,744.43/1,070,069.50 = 740,870.34/x
  3. Step 3: Cross multiply
    776,744.43x = 1,070,069.50 × 740,870.34
  4. Step 4: Simplify right side
    776,744.43x = 792,782,754,288.63
  5. Step 5: Solve for x
    x = 792,782,754,288.63/776,744.43
  6. Step 6: Final answer
    x = 1,020,648.14

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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.