Home / 477,220.76-658,568.93-259,429.89

Finding the Fourth Proportional to 477,220.76, 658,568.93 and 259,429.89

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Solution

The fourth proportional to 477,220.76, 658,568.93 and 259,429.89 is: 358,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,220.76 : 658,568.93 = 259,429.89 : x
  2. Step 2: Convert to fraction form
    477,220.76/658,568.93 = 259,429.89/x
  3. Step 3: Cross multiply
    477,220.76x = 658,568.93 × 259,429.89
  4. Step 4: Simplify right side
    477,220.76x = 170,852,463,994.65
  5. Step 5: Solve for x
    x = 170,852,463,994.65/477,220.76
  6. Step 6: Final answer
    x = 358,015.57

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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.