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Finding the Fourth Proportional to 458,624.23, 632,880.14 and 254,688.07

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Solution

The fourth proportional to 458,624.23, 632,880.14 and 254,688.07 is: 351,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,624.23 : 632,880.14 = 254,688.07 : x
  2. Step 2: Convert to fraction form
    458,624.23/632,880.14 = 254,688.07/x
  3. Step 3: Cross multiply
    458,624.23x = 632,880.14 × 254,688.07
  4. Step 4: Simplify right side
    458,624.23x = 161,187,021,397.93
  5. Step 5: Solve for x
    x = 161,187,021,397.93/458,624.23
  6. Step 6: Final answer
    x = 351,457.71

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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.