Home / 526,642.46-789,582.98-312,903.44

Finding the Fourth Proportional to 526,642.46, 789,582.98 and 312,903.44

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Solution

The fourth proportional to 526,642.46, 789,582.98 and 312,903.44 is: 469,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,642.46 : 789,582.98 = 312,903.44 : x
  2. Step 2: Convert to fraction form
    526,642.46/789,582.98 = 312,903.44/x
  3. Step 3: Cross multiply
    526,642.46x = 789,582.98 × 312,903.44
  4. Step 4: Simplify right side
    526,642.46x = 247,063,225,095.02
  5. Step 5: Solve for x
    x = 247,063,225,095.02/526,642.46
  6. Step 6: Final answer
    x = 469,128.96

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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.