Home / 674,054.42-929,767.92-512,555.40

Finding the Fourth Proportional to 674,054.42, 929,767.92 and 512,555.40

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Solution

The fourth proportional to 674,054.42, 929,767.92 and 512,555.40 is: 707,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,054.42 : 929,767.92 = 512,555.40 : x
  2. Step 2: Convert to fraction form
    674,054.42/929,767.92 = 512,555.40/x
  3. Step 3: Cross multiply
    674,054.42x = 929,767.92 × 512,555.40
  4. Step 4: Simplify right side
    674,054.42x = 476,557,568,142.77
  5. Step 5: Solve for x
    x = 476,557,568,142.77/674,054.42
  6. Step 6: Final answer
    x = 707,001.63

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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.