Home / 472,478.22-652,075.26-268,559.76

Finding the Fourth Proportional to 472,478.22, 652,075.26 and 268,559.76

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Solution

The fourth proportional to 472,478.22, 652,075.26 and 268,559.76 is: 370,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,478.22 : 652,075.26 = 268,559.76 : x
  2. Step 2: Convert to fraction form
    472,478.22/652,075.26 = 268,559.76/x
  3. Step 3: Cross multiply
    472,478.22x = 652,075.26 × 268,559.76
  4. Step 4: Simplify right side
    472,478.22x = 175,121,175,327.54
  5. Step 5: Solve for x
    x = 175,121,175,327.54/472,478.22
  6. Step 6: Final answer
    x = 370,643.91

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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.