Home / 858,758.70-1,185,124.02-476,785.50

Finding the Fourth Proportional to 858,758.70, 1,185,124.02 and 476,785.50

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Solution

The fourth proportional to 858,758.70, 1,185,124.02 and 476,785.50 is: 657,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,758.70 : 1,185,124.02 = 476,785.50 : x
  2. Step 2: Convert to fraction form
    858,758.70/1,185,124.02 = 476,785.50/x
  3. Step 3: Cross multiply
    858,758.70x = 1,185,124.02 × 476,785.50
  4. Step 4: Simplify right side
    858,758.70x = 565,049,948,437.71
  5. Step 5: Solve for x
    x = 565,049,948,437.71/858,758.70
  6. Step 6: Final answer
    x = 657,984.54

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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.