Home / 871,342.10-1,307,524.72-365,864.21

Finding the Fourth Proportional to 871,342.10, 1,307,524.72 and 365,864.21

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Solution

The fourth proportional to 871,342.10, 1,307,524.72 and 365,864.21 is: 549,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,342.10 : 1,307,524.72 = 365,864.21 : x
  2. Step 2: Convert to fraction form
    871,342.10/1,307,524.72 = 365,864.21/x
  3. Step 3: Cross multiply
    871,342.10x = 1,307,524.72 × 365,864.21
  4. Step 4: Simplify right side
    871,342.10x = 478,376,498,738.27
  5. Step 5: Solve for x
    x = 478,376,498,738.27/871,342.10
  6. Step 6: Final answer
    x = 549,011.12

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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.