Home / 890,447.42-1,335,732.70-357,968.82

Finding the Fourth Proportional to 890,447.42, 1,335,732.70 and 357,968.82

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Solution

The fourth proportional to 890,447.42, 1,335,732.70 and 357,968.82 is: 536,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,447.42 : 1,335,732.70 = 357,968.82 : x
  2. Step 2: Convert to fraction form
    890,447.42/1,335,732.70 = 357,968.82/x
  3. Step 3: Cross multiply
    890,447.42x = 1,335,732.70 × 357,968.82
  4. Step 4: Simplify right side
    890,447.42x = 478,150,658,454.41
  5. Step 5: Solve for x
    x = 478,150,658,454.41/890,447.42
  6. Step 6: Final answer
    x = 536,977.98

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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.