Home / 637,029.45-879,078.29-350,542.17

Finding the Fourth Proportional to 637,029.45, 879,078.29 and 350,542.17

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Solution

The fourth proportional to 637,029.45, 879,078.29 and 350,542.17 is: 483,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,029.45 : 879,078.29 = 350,542.17 : x
  2. Step 2: Convert to fraction form
    637,029.45/879,078.29 = 350,542.17/x
  3. Step 3: Cross multiply
    637,029.45x = 879,078.29 × 350,542.17
  4. Step 4: Simplify right side
    637,029.45x = 308,154,009,623.78
  5. Step 5: Solve for x
    x = 308,154,009,623.78/637,029.45
  6. Step 6: Final answer
    x = 483,735.89

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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.