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Finding the Fourth Proportional to 637,125.65, 879,201.65 and 350,638.37

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Solution

The fourth proportional to 637,125.65, 879,201.65 and 350,638.37 is: 483,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,125.65 : 879,201.65 = 350,638.37 : x
  2. Step 2: Convert to fraction form
    637,125.65/879,201.65 = 350,638.37/x
  3. Step 3: Cross multiply
    637,125.65x = 879,201.65 × 350,638.37
  4. Step 4: Simplify right side
    637,125.65x = 308,281,831,704.12
  5. Step 5: Solve for x
    x = 308,281,831,704.12/637,125.65
  6. Step 6: Final answer
    x = 483,863.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.