Home / 698,902.08-1,048,252.32-319,709.76

Finding the Fourth Proportional to 698,902.08, 1,048,252.32 and 319,709.76

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Solution

The fourth proportional to 698,902.08, 1,048,252.32 and 319,709.76 is: 479,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,902.08 : 1,048,252.32 = 319,709.76 : x
  2. Step 2: Convert to fraction form
    698,902.08/1,048,252.32 = 319,709.76/x
  3. Step 3: Cross multiply
    698,902.08x = 1,048,252.32 × 319,709.76
  4. Step 4: Simplify right side
    698,902.08x = 335,136,497,646.64
  5. Step 5: Solve for x
    x = 335,136,497,646.64/698,902.08
  6. Step 6: Final answer
    x = 479,518.53

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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.