Home / 887,177.76-1,330,718.80-507,861.75

Finding the Fourth Proportional to 887,177.76, 1,330,718.80 and 507,861.75

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Solution

The fourth proportional to 887,177.76, 1,330,718.80 and 507,861.75 is: 761,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,177.76 : 1,330,718.80 = 507,861.75 : x
  2. Step 2: Convert to fraction form
    887,177.76/1,330,718.80 = 507,861.75/x
  3. Step 3: Cross multiply
    887,177.76x = 1,330,718.80 × 507,861.75
  4. Step 4: Simplify right side
    887,177.76x = 675,821,178,525.90
  5. Step 5: Solve for x
    x = 675,821,178,525.90/887,177.76
  6. Step 6: Final answer
    x = 761,765.24

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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.