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Finding the Fourth Proportional to 607,403.85, 838,225.35 and 335,470.92

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Solution

The fourth proportional to 607,403.85, 838,225.35 and 335,470.92 is: 462,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,403.85 : 838,225.35 = 335,470.92 : x
  2. Step 2: Convert to fraction form
    607,403.85/838,225.35 = 335,470.92/x
  3. Step 3: Cross multiply
    607,403.85x = 838,225.35 × 335,470.92
  4. Step 4: Simplify right side
    607,403.85x = 281,200,229,331.82
  5. Step 5: Solve for x
    x = 281,200,229,331.82/607,403.85
  6. Step 6: Final answer
    x = 462,954.31

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1.5x scale

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.