Home / 493,412.72-680,926.04-302,389.20

Finding the Fourth Proportional to 493,412.72, 680,926.04 and 302,389.20

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Solution

The fourth proportional to 493,412.72, 680,926.04 and 302,389.20 is: 417,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,412.72 : 680,926.04 = 302,389.20 : x
  2. Step 2: Convert to fraction form
    493,412.72/680,926.04 = 302,389.20/x
  3. Step 3: Cross multiply
    493,412.72x = 680,926.04 × 302,389.20
  4. Step 4: Simplify right side
    493,412.72x = 205,904,680,494.77
  5. Step 5: Solve for x
    x = 205,904,680,494.77/493,412.72
  6. Step 6: Final answer
    x = 417,307.20

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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.