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Finding the Fourth Proportional to 559,980.52, 839,556.06 and 338,312.68

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Solution

The fourth proportional to 559,980.52, 839,556.06 and 338,312.68 is: 507,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,980.52 : 839,556.06 = 338,312.68 : x
  2. Step 2: Convert to fraction form
    559,980.52/839,556.06 = 338,312.68/x
  3. Step 3: Cross multiply
    559,980.52x = 839,556.06 × 338,312.68
  4. Step 4: Simplify right side
    559,980.52x = 284,032,460,668.84
  5. Step 5: Solve for x
    x = 284,032,460,668.84/559,980.52
  6. Step 6: Final answer
    x = 507,218.47

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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.