Home / 879,457.50-1,319,379.88-500,556.54

Finding the Fourth Proportional to 879,457.50, 1,319,379.88 and 500,556.54

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Solution

The fourth proportional to 879,457.50, 1,319,379.88 and 500,556.54 is: 750,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,457.50 : 1,319,379.88 = 500,556.54 : x
  2. Step 2: Convert to fraction form
    879,457.50/1,319,379.88 = 500,556.54/x
  3. Step 3: Cross multiply
    879,457.50x = 1,319,379.88 × 500,556.54
  4. Step 4: Simplify right side
    879,457.50x = 660,424,227,678.42
  5. Step 5: Solve for x
    x = 660,424,227,678.42/879,457.50
  6. Step 6: Final answer
    x = 750,945.02

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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.