Home / 628,218.89-942,726.88-268,392.45

Finding the Fourth Proportional to 628,218.89, 942,726.88 and 268,392.45

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Solution

The fourth proportional to 628,218.89, 942,726.88 and 268,392.45 is: 402,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,218.89 : 942,726.88 = 268,392.45 : x
  2. Step 2: Convert to fraction form
    628,218.89/942,726.88 = 268,392.45/x
  3. Step 3: Cross multiply
    628,218.89x = 942,726.88 × 268,392.45
  4. Step 4: Simplify right side
    628,218.89x = 253,020,772,290.42
  5. Step 5: Solve for x
    x = 253,020,772,290.42/628,218.89
  6. Step 6: Final answer
    x = 402,758.94

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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.