Home / 872,853.93-1,204,397.64-490,857.93

Finding the Fourth Proportional to 872,853.93, 1,204,397.64 and 490,857.93

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Solution

The fourth proportional to 872,853.93, 1,204,397.64 and 490,857.93 is: 677,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,853.93 : 1,204,397.64 = 490,857.93 : x
  2. Step 2: Convert to fraction form
    872,853.93/1,204,397.64 = 490,857.93/x
  3. Step 3: Cross multiply
    872,853.93x = 1,204,397.64 × 490,857.93
  4. Step 4: Simplify right side
    872,853.93x = 591,188,132,467.29
  5. Step 5: Solve for x
    x = 591,188,132,467.29/872,853.93
  6. Step 6: Final answer
    x = 677,304.77

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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.