Home / 637,056.90-879,146.55-350,570.70

Finding the Fourth Proportional to 637,056.90, 879,146.55 and 350,570.70

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Solution

The fourth proportional to 637,056.90, 879,146.55 and 350,570.70 is: 483,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,056.90 : 879,146.55 = 350,570.70 : x
  2. Step 2: Convert to fraction form
    637,056.90/879,146.55 = 350,570.70/x
  3. Step 3: Cross multiply
    637,056.90x = 879,146.55 × 350,570.70
  4. Step 4: Simplify right side
    637,056.90x = 308,203,021,436.09
  5. Step 5: Solve for x
    x = 308,203,021,436.09/637,056.90
  6. Step 6: Final answer
    x = 483,791.98

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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.