Home / 718,544.40-1,075,973.40-685,366.80

Finding the Fourth Proportional to 718,544.40, 1,075,973.40 and 685,366.80

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Solution

The fourth proportional to 718,544.40, 1,075,973.40 and 685,366.80 is: 1,026,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,544.40 : 1,075,973.40 = 685,366.80 : x
  2. Step 2: Convert to fraction form
    718,544.40/1,075,973.40 = 685,366.80/x
  3. Step 3: Cross multiply
    718,544.40x = 1,075,973.40 × 685,366.80
  4. Step 4: Simplify right side
    718,544.40x = 737,436,446,043.12
  5. Step 5: Solve for x
    x = 737,436,446,043.12/718,544.40
  6. Step 6: Final answer
    x = 1,026,292.11

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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.