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Finding the Fourth Proportional to 460,674.72, 635,770.08 and 259,509.60

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Solution

The fourth proportional to 460,674.72, 635,770.08 and 259,509.60 is: 358,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,674.72 : 635,770.08 = 259,509.60 : x
  2. Step 2: Convert to fraction form
    460,674.72/635,770.08 = 259,509.60/x
  3. Step 3: Cross multiply
    460,674.72x = 635,770.08 × 259,509.60
  4. Step 4: Simplify right side
    460,674.72x = 164,988,439,152.77
  5. Step 5: Solve for x
    x = 164,988,439,152.77/460,674.72
  6. Step 6: Final answer
    x = 358,145.20

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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.