Home / 885,873.78-1,329,022.34-286,835.60

Finding the Fourth Proportional to 885,873.78, 1,329,022.34 and 286,835.60

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Solution

The fourth proportional to 885,873.78, 1,329,022.34 and 286,835.60 is: 430,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,873.78 : 1,329,022.34 = 286,835.60 : x
  2. Step 2: Convert to fraction form
    885,873.78/1,329,022.34 = 286,835.60/x
  3. Step 3: Cross multiply
    885,873.78x = 1,329,022.34 × 286,835.60
  4. Step 4: Simplify right side
    885,873.78x = 381,210,923,271.32
  5. Step 5: Solve for x
    x = 381,210,923,271.32/885,873.78
  6. Step 6: Final answer
    x = 430,321.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.