Home / 680,500.04-939,093.35-374,607.18

Finding the Fourth Proportional to 680,500.04, 939,093.35 and 374,607.18

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Solution

The fourth proportional to 680,500.04, 939,093.35 and 374,607.18 is: 516,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,500.04 : 939,093.35 = 374,607.18 : x
  2. Step 2: Convert to fraction form
    680,500.04/939,093.35 = 374,607.18/x
  3. Step 3: Cross multiply
    680,500.04x = 939,093.35 × 374,607.18
  4. Step 4: Simplify right side
    680,500.04x = 351,791,109,727.22
  5. Step 5: Solve for x
    x = 351,791,109,727.22/680,500.04
  6. Step 6: Final answer
    x = 516,959.72

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1.5x scale

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.