Home / 842,828.72-1,264,244.40-344,192.72

Finding the Fourth Proportional to 842,828.72, 1,264,244.40 and 344,192.72

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Solution

The fourth proportional to 842,828.72, 1,264,244.40 and 344,192.72 is: 516,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,828.72 : 1,264,244.40 = 344,192.72 : x
  2. Step 2: Convert to fraction form
    842,828.72/1,264,244.40 = 344,192.72/x
  3. Step 3: Cross multiply
    842,828.72x = 1,264,244.40 × 344,192.72
  4. Step 4: Simplify right side
    842,828.72x = 435,143,718,780.77
  5. Step 5: Solve for x
    x = 435,143,718,780.77/842,828.72
  6. Step 6: Final answer
    x = 516,289.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.