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Finding the Fourth Proportional to 602,600.64, 904,197.60 and 426,240.96

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Solution

The fourth proportional to 602,600.64, 904,197.60 and 426,240.96 is: 639,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,600.64 : 904,197.60 = 426,240.96 : x
  2. Step 2: Convert to fraction form
    602,600.64/904,197.60 = 426,240.96/x
  3. Step 3: Cross multiply
    602,600.64x = 904,197.60 × 426,240.96
  4. Step 4: Simplify right side
    602,600.64x = 385,406,053,053.70
  5. Step 5: Solve for x
    x = 385,406,053,053.70/602,600.64
  6. Step 6: Final answer
    x = 639,571.26

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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.