Home / 940,100.98-1,297,354.98-510,381.22

Finding the Fourth Proportional to 940,100.98, 1,297,354.98 and 510,381.22

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Solution

The fourth proportional to 940,100.98, 1,297,354.98 and 510,381.22 is: 704,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,100.98 : 1,297,354.98 = 510,381.22 : x
  2. Step 2: Convert to fraction form
    940,100.98/1,297,354.98 = 510,381.22/x
  3. Step 3: Cross multiply
    940,100.98x = 1,297,354.98 × 510,381.22
  4. Step 4: Simplify right side
    940,100.98x = 662,145,617,465.48
  5. Step 5: Solve for x
    x = 662,145,617,465.48/940,100.98
  6. Step 6: Final answer
    x = 704,334.57

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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.