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Finding the Fourth Proportional to 458,899.07, 633,276.92 and 257,690.75

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Solution

The fourth proportional to 458,899.07, 633,276.92 and 257,690.75 is: 355,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,899.07 : 633,276.92 = 257,690.75 : x
  2. Step 2: Convert to fraction form
    458,899.07/633,276.92 = 257,690.75/x
  3. Step 3: Cross multiply
    458,899.07x = 633,276.92 × 257,690.75
  4. Step 4: Simplify right side
    458,899.07x = 163,189,603,184.04
  5. Step 5: Solve for x
    x = 163,189,603,184.04/458,899.07
  6. Step 6: Final answer
    x = 355,611.10

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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.