Home / 637,209.48-879,342.12-350,723.40

Finding the Fourth Proportional to 637,209.48, 879,342.12 and 350,723.40

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Solution

The fourth proportional to 637,209.48, 879,342.12 and 350,723.40 is: 483,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,209.48 : 879,342.12 = 350,723.40 : x
  2. Step 2: Convert to fraction form
    637,209.48/879,342.12 = 350,723.40/x
  3. Step 3: Cross multiply
    637,209.48x = 879,342.12 × 350,723.40
  4. Step 4: Simplify right side
    637,209.48x = 308,405,858,089.61
  5. Step 5: Solve for x
    x = 308,405,858,089.61/637,209.48
  6. Step 6: Final answer
    x = 483,994.46

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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.