Home / 789,705.95-1,184,682.78-340,554.47

Finding the Fourth Proportional to 789,705.95, 1,184,682.78 and 340,554.47

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Solution

The fourth proportional to 789,705.95, 1,184,682.78 and 340,554.47 is: 510,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,705.95 : 1,184,682.78 = 340,554.47 : x
  2. Step 2: Convert to fraction form
    789,705.95/1,184,682.78 = 340,554.47/x
  3. Step 3: Cross multiply
    789,705.95x = 1,184,682.78 × 340,554.47
  4. Step 4: Simplify right side
    789,705.95x = 403,449,010,337.61
  5. Step 5: Solve for x
    x = 403,449,010,337.61/789,705.95
  6. Step 6: Final answer
    x = 510,885.11

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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.