Home / 703,421.03-1,056,543.94-419,665.98

Finding the Fourth Proportional to 703,421.03, 1,056,543.94 and 419,665.98

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Solution

The fourth proportional to 703,421.03, 1,056,543.94 and 419,665.98 is: 630,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,421.03 : 1,056,543.94 = 419,665.98 : x
  2. Step 2: Convert to fraction form
    703,421.03/1,056,543.94 = 419,665.98/x
  3. Step 3: Cross multiply
    703,421.03x = 1,056,543.94 × 419,665.98
  4. Step 4: Simplify right side
    703,421.03x = 443,395,544,176.10
  5. Step 5: Solve for x
    x = 443,395,544,176.10/703,421.03
  6. Step 6: Final answer
    x = 630,341.61

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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.