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Finding the Fourth Proportional to 458,580.13, 632,840.57 and 257,376.13

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Solution

The fourth proportional to 458,580.13, 632,840.57 and 257,376.13 is: 355,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,580.13 : 632,840.57 = 257,376.13 : x
  2. Step 2: Convert to fraction form
    458,580.13/632,840.57 = 257,376.13/x
  3. Step 3: Cross multiply
    458,580.13x = 632,840.57 × 257,376.13
  4. Step 4: Simplify right side
    458,580.13x = 162,878,056,813.59
  5. Step 5: Solve for x
    x = 162,878,056,813.59/458,580.13
  6. Step 6: Final answer
    x = 355,179.05

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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.