Home / 858,477.90-1,286,680.05-437,537.10

Finding the Fourth Proportional to 858,477.90, 1,286,680.05 and 437,537.10

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Solution

The fourth proportional to 858,477.90, 1,286,680.05 and 437,537.10 is: 655,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,477.90 : 1,286,680.05 = 437,537.10 : x
  2. Step 2: Convert to fraction form
    858,477.90/1,286,680.05 = 437,537.10/x
  3. Step 3: Cross multiply
    858,477.90x = 1,286,680.05 × 437,537.10
  4. Step 4: Simplify right side
    858,477.90x = 562,970,257,704.86
  5. Step 5: Solve for x
    x = 562,970,257,704.86/858,477.90
  6. Step 6: Final answer
    x = 655,777.23

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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.