Home / 923,449.20-1,385,303.40-292,297.20

Finding the Fourth Proportional to 923,449.20, 1,385,303.40 and 292,297.20

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Solution

The fourth proportional to 923,449.20, 1,385,303.40 and 292,297.20 is: 438,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,449.20 : 1,385,303.40 = 292,297.20 : x
  2. Step 2: Convert to fraction form
    923,449.20/1,385,303.40 = 292,297.20/x
  3. Step 3: Cross multiply
    923,449.20x = 1,385,303.40 × 292,297.20
  4. Step 4: Simplify right side
    923,449.20x = 404,920,304,970.48
  5. Step 5: Solve for x
    x = 404,920,304,970.48/923,449.20
  6. Step 6: Final answer
    x = 438,486.82

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1.5x scale

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.