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Finding the Fourth Proportional to 606,323.70, 909,485.55 and 417,366.90

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Solution

The fourth proportional to 606,323.70, 909,485.55 and 417,366.90 is: 626,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,323.70 : 909,485.55 = 417,366.90 : x
  2. Step 2: Convert to fraction form
    606,323.70/909,485.55 = 417,366.90/x
  3. Step 3: Cross multiply
    606,323.70x = 909,485.55 × 417,366.90
  4. Step 4: Simplify right side
    606,323.70x = 379,589,164,598.30
  5. Step 5: Solve for x
    x = 379,589,164,598.30/606,323.70
  6. Step 6: Final answer
    x = 626,050.35

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Double scale
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Similar ratio
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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.