Home / 762,153.72-1,051,696.33-439,967.62

Finding the Fourth Proportional to 762,153.72, 1,051,696.33 and 439,967.62

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Solution

The fourth proportional to 762,153.72, 1,051,696.33 and 439,967.62 is: 607,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,153.72 : 1,051,696.33 = 439,967.62 : x
  2. Step 2: Convert to fraction form
    762,153.72/1,051,696.33 = 439,967.62/x
  3. Step 3: Cross multiply
    762,153.72x = 1,051,696.33 × 439,967.62
  4. Step 4: Simplify right side
    762,153.72x = 462,712,331,272.84
  5. Step 5: Solve for x
    x = 462,712,331,272.84/762,153.72
  6. Step 6: Final answer
    x = 607,111.56

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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.