Home / 858,392.08-1,184,636.43-476,418.87

Finding the Fourth Proportional to 858,392.08, 1,184,636.43 and 476,418.87

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Solution

The fourth proportional to 858,392.08, 1,184,636.43 and 476,418.87 is: 657,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,392.08 : 1,184,636.43 = 476,418.87 : x
  2. Step 2: Convert to fraction form
    858,392.08/1,184,636.43 = 476,418.87/x
  3. Step 3: Cross multiply
    858,392.08x = 1,184,636.43 × 476,418.87
  4. Step 4: Simplify right side
    858,392.08x = 564,383,149,341.43
  5. Step 5: Solve for x
    x = 564,383,149,341.43/858,392.08
  6. Step 6: Final answer
    x = 657,488.77

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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.