Home / 858,642.96-1,184,867.91-476,639.58

Finding the Fourth Proportional to 858,642.96, 1,184,867.91 and 476,639.58

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Solution

The fourth proportional to 858,642.96, 1,184,867.91 and 476,639.58 is: 657,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,642.96 : 1,184,867.91 = 476,639.58 : x
  2. Step 2: Convert to fraction form
    858,642.96/1,184,867.91 = 476,639.58/x
  3. Step 3: Cross multiply
    858,642.96x = 1,184,867.91 × 476,639.58
  4. Step 4: Simplify right side
    858,642.96x = 564,754,942,977.88
  5. Step 5: Solve for x
    x = 564,754,942,977.88/858,642.96
  6. Step 6: Final answer
    x = 657,729.66

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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.