Home / 971,686.72-1,457,738.93-297,814.51

Finding the Fourth Proportional to 971,686.72, 1,457,738.93 and 297,814.51

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Solution

The fourth proportional to 971,686.72, 1,457,738.93 and 297,814.51 is: 446,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,686.72 : 1,457,738.93 = 297,814.51 : x
  2. Step 2: Convert to fraction form
    971,686.72/1,457,738.93 = 297,814.51/x
  3. Step 3: Cross multiply
    971,686.72x = 1,457,738.93 × 297,814.51
  4. Step 4: Simplify right side
    971,686.72x = 434,135,805,145.87
  5. Step 5: Solve for x
    x = 434,135,805,145.87/971,686.72
  6. Step 6: Final answer
    x = 446,785.78

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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.