Home / 877,048.75-1,315,573.18-212,200.75

Finding the Fourth Proportional to 877,048.75, 1,315,573.18 and 212,200.75

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Solution

The fourth proportional to 877,048.75, 1,315,573.18 and 212,200.75 is: 318,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,048.75 : 1,315,573.18 = 212,200.75 : x
  2. Step 2: Convert to fraction form
    877,048.75/1,315,573.18 = 212,200.75/x
  3. Step 3: Cross multiply
    877,048.75x = 1,315,573.18 × 212,200.75
  4. Step 4: Simplify right side
    877,048.75x = 279,165,615,475.89
  5. Step 5: Solve for x
    x = 279,165,615,475.89/877,048.75
  6. Step 6: Final answer
    x = 318,301.14

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1.5x scale

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.