Home / 824,842.98-1,237,928.76-425,597.92

Finding the Fourth Proportional to 824,842.98, 1,237,928.76 and 425,597.92

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Solution

The fourth proportional to 824,842.98, 1,237,928.76 and 425,597.92 is: 638,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,842.98 : 1,237,928.76 = 425,597.92 : x
  2. Step 2: Convert to fraction form
    824,842.98/1,237,928.76 = 425,597.92/x
  3. Step 3: Cross multiply
    824,842.98x = 1,237,928.76 × 425,597.92
  4. Step 4: Simplify right side
    824,842.98x = 526,859,902,269.36
  5. Step 5: Solve for x
    x = 526,859,902,269.36/824,842.98
  6. Step 6: Final answer
    x = 638,739.63

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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.