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Finding the Fourth Proportional to 435,427.47, 600,784.74 and 254,035.86

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Solution

The fourth proportional to 435,427.47, 600,784.74 and 254,035.86 is: 350,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,427.47 : 600,784.74 = 254,035.86 : x
  2. Step 2: Convert to fraction form
    435,427.47/600,784.74 = 254,035.86/x
  3. Step 3: Cross multiply
    435,427.47x = 600,784.74 × 254,035.86
  4. Step 4: Simplify right side
    435,427.47x = 152,620,868,100.78
  5. Step 5: Solve for x
    x = 152,620,868,100.78/435,427.47
  6. Step 6: Final answer
    x = 350,508.13

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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.