Home / 871,341.10-1,307,523.22-365,863.21

Finding the Fourth Proportional to 871,341.10, 1,307,523.22 and 365,863.21

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Solution

The fourth proportional to 871,341.10, 1,307,523.22 and 365,863.21 is: 549,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,341.10 : 1,307,523.22 = 365,863.21 : x
  2. Step 2: Convert to fraction form
    871,341.10/1,307,523.22 = 365,863.21/x
  3. Step 3: Cross multiply
    871,341.10x = 1,307,523.22 × 365,863.21
  4. Step 4: Simplify right side
    871,341.10x = 478,374,638,235.27
  5. Step 5: Solve for x
    x = 478,374,638,235.27/871,341.10
  6. Step 6: Final answer
    x = 549,009.61

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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.