Home / 874,355.15-1,311,525.42-243,267.14

Finding the Fourth Proportional to 874,355.15, 1,311,525.42 and 243,267.14

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Solution

The fourth proportional to 874,355.15, 1,311,525.42 and 243,267.14 is: 364,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,355.15 : 1,311,525.42 = 243,267.14 : x
  2. Step 2: Convert to fraction form
    874,355.15/1,311,525.42 = 243,267.14/x
  3. Step 3: Cross multiply
    874,355.15x = 1,311,525.42 × 243,267.14
  4. Step 4: Simplify right side
    874,355.15x = 319,051,031,403.07
  5. Step 5: Solve for x
    x = 319,051,031,403.07/874,355.15
  6. Step 6: Final answer
    x = 364,898.67

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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.