Home / 476,074.40-656,994.75-261,214.41

Finding the Fourth Proportional to 476,074.40, 656,994.75 and 261,214.41

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Solution

The fourth proportional to 476,074.40, 656,994.75 and 261,214.41 is: 360,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,074.40 : 656,994.75 = 261,214.41 : x
  2. Step 2: Convert to fraction form
    476,074.40/656,994.75 = 261,214.41/x
  3. Step 3: Cross multiply
    476,074.40x = 656,994.75 × 261,214.41
  4. Step 4: Simplify right side
    476,074.40x = 171,616,495,994.35
  5. Step 5: Solve for x
    x = 171,616,495,994.35/476,074.40
  6. Step 6: Final answer
    x = 360,482.51

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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.