Home / 858,448.80-1,184,660.64-476,465.76

Finding the Fourth Proportional to 858,448.80, 1,184,660.64 and 476,465.76

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Solution

The fourth proportional to 858,448.80, 1,184,660.64 and 476,465.76 is: 657,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,448.80 : 1,184,660.64 = 476,465.76 : x
  2. Step 2: Convert to fraction form
    858,448.80/1,184,660.64 = 476,465.76/x
  3. Step 3: Cross multiply
    858,448.80x = 1,184,660.64 × 476,465.76
  4. Step 4: Simplify right side
    858,448.80x = 564,450,232,179.69
  5. Step 5: Solve for x
    x = 564,450,232,179.69/858,448.80
  6. Step 6: Final answer
    x = 657,523.47

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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.