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Finding the Fourth Proportional to 477,085.19, 658,366.52 and 259,288.74

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Solution

The fourth proportional to 477,085.19, 658,366.52 and 259,288.74 is: 357,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,085.19 : 658,366.52 = 259,288.74 : x
  2. Step 2: Convert to fraction form
    477,085.19/658,366.52 = 259,288.74/x
  3. Step 3: Cross multiply
    477,085.19x = 658,366.52 × 259,288.74
  4. Step 4: Simplify right side
    477,085.19x = 170,707,024,132.54
  5. Step 5: Solve for x
    x = 170,707,024,132.54/477,085.19
  6. Step 6: Final answer
    x = 357,812.46

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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.