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Finding the Fourth Proportional to 637,064.81, 879,149.56 and 350,584.89

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Solution

The fourth proportional to 637,064.81, 879,149.56 and 350,584.89 is: 483,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,064.81 : 879,149.56 = 350,584.89 : x
  2. Step 2: Convert to fraction form
    637,064.81/879,149.56 = 350,584.89/x
  3. Step 3: Cross multiply
    637,064.81x = 879,149.56 × 350,584.89
  4. Step 4: Simplify right side
    637,064.81x = 308,216,553,708.45
  5. Step 5: Solve for x
    x = 308,216,553,708.45/637,064.81
  6. Step 6: Final answer
    x = 483,807.22

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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.