Home / 905,579.81-1,358,416.22-231,666.93

Finding the Fourth Proportional to 905,579.81, 1,358,416.22 and 231,666.93

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Solution

The fourth proportional to 905,579.81, 1,358,416.22 and 231,666.93 is: 347,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,579.81 : 1,358,416.22 = 231,666.93 : x
  2. Step 2: Convert to fraction form
    905,579.81/1,358,416.22 = 231,666.93/x
  3. Step 3: Cross multiply
    905,579.81x = 1,358,416.22 × 231,666.93
  4. Step 4: Simplify right side
    905,579.81x = 314,700,110,834.71
  5. Step 5: Solve for x
    x = 314,700,110,834.71/905,579.81
  6. Step 6: Final answer
    x = 347,512.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.