Home / 858,620.49-1,184,836.89-476,617.20

Finding the Fourth Proportional to 858,620.49, 1,184,836.89 and 476,617.20

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Solution

The fourth proportional to 858,620.49, 1,184,836.89 and 476,617.20 is: 657,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,620.49 : 1,184,836.89 = 476,617.20 : x
  2. Step 2: Convert to fraction form
    858,620.49/1,184,836.89 = 476,617.20/x
  3. Step 3: Cross multiply
    858,620.49x = 1,184,836.89 × 476,617.20
  4. Step 4: Simplify right side
    858,620.49x = 564,713,640,968.51
  5. Step 5: Solve for x
    x = 564,713,640,968.51/858,620.49
  6. Step 6: Final answer
    x = 657,698.77

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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.