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Finding the Fourth Proportional to 434,903.40, 599,610.98 and 281,670.76

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Solution

The fourth proportional to 434,903.40, 599,610.98 and 281,670.76 is: 388,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,903.40 : 599,610.98 = 281,670.76 : x
  2. Step 2: Convert to fraction form
    434,903.40/599,610.98 = 281,670.76/x
  3. Step 3: Cross multiply
    434,903.40x = 599,610.98 × 281,670.76
  4. Step 4: Simplify right side
    434,903.40x = 168,892,880,440.95
  5. Step 5: Solve for x
    x = 168,892,880,440.95/434,903.40
  6. Step 6: Final answer
    x = 388,345.73

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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.