Home / 871,343.10-1,307,526.22-365,865.21

Finding the Fourth Proportional to 871,343.10, 1,307,526.22 and 365,865.21

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Solution

The fourth proportional to 871,343.10, 1,307,526.22 and 365,865.21 is: 549,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,343.10 : 1,307,526.22 = 365,865.21 : x
  2. Step 2: Convert to fraction form
    871,343.10/1,307,526.22 = 365,865.21/x
  3. Step 3: Cross multiply
    871,343.10x = 1,307,526.22 × 365,865.21
  4. Step 4: Simplify right side
    871,343.10x = 478,378,355,060.81
  5. Step 5: Solve for x
    x = 478,378,355,060.81/871,343.10
  6. Step 6: Final answer
    x = 549,012.62

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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.