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Finding the Fourth Proportional to 606,679.80, 909,582.30 and 340,521.90

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Solution

The fourth proportional to 606,679.80, 909,582.30 and 340,521.90 is: 510,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,679.80 : 909,582.30 = 340,521.90 : x
  2. Step 2: Convert to fraction form
    606,679.80/909,582.30 = 340,521.90/x
  3. Step 3: Cross multiply
    606,679.80x = 909,582.30 × 340,521.90
  4. Step 4: Simplify right side
    606,679.80x = 309,732,693,002.37
  5. Step 5: Solve for x
    x = 309,732,693,002.37/606,679.80
  6. Step 6: Final answer
    x = 510,537.34

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1.5x scale

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.