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Finding the Fourth Proportional to 652,370.80, 978,556.20 and 559,058.80

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Solution

The fourth proportional to 652,370.80, 978,556.20 and 559,058.80 is: 838,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,370.80 : 978,556.20 = 559,058.80 : x
  2. Step 2: Convert to fraction form
    652,370.80/978,556.20 = 559,058.80/x
  3. Step 3: Cross multiply
    652,370.80x = 978,556.20 × 559,058.80
  4. Step 4: Simplify right side
    652,370.80x = 547,070,454,904.56
  5. Step 5: Solve for x
    x = 547,070,454,904.56/652,370.80
  6. Step 6: Final answer
    x = 838,588.20

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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.