Home / 683,005.32-1,021,970.64-429,097.04

Finding the Fourth Proportional to 683,005.32, 1,021,970.64 and 429,097.04

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Solution

The fourth proportional to 683,005.32, 1,021,970.64 and 429,097.04 is: 642,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,005.32 : 1,021,970.64 = 429,097.04 : x
  2. Step 2: Convert to fraction form
    683,005.32/1,021,970.64 = 429,097.04/x
  3. Step 3: Cross multiply
    683,005.32x = 1,021,970.64 × 429,097.04
  4. Step 4: Simplify right side
    683,005.32x = 438,524,576,590.91
  5. Step 5: Solve for x
    x = 438,524,576,590.91/683,005.32
  6. Step 6: Final answer
    x = 642,051.48

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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.