Home / 887,085.45-1,330,738.81-347,271.95

Finding the Fourth Proportional to 887,085.45, 1,330,738.81 and 347,271.95

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Solution

The fourth proportional to 887,085.45, 1,330,738.81 and 347,271.95 is: 520,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,085.45 : 1,330,738.81 = 347,271.95 : x
  2. Step 2: Convert to fraction form
    887,085.45/1,330,738.81 = 347,271.95/x
  3. Step 3: Cross multiply
    887,085.45x = 1,330,738.81 × 347,271.95
  4. Step 4: Simplify right side
    887,085.45x = 462,128,263,948.05
  5. Step 5: Solve for x
    x = 462,128,263,948.05/887,085.45
  6. Step 6: Final answer
    x = 520,951.24

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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.