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Finding the Fourth Proportional to 893,642.60, 1,340,658.30 and 294,501.80

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Solution

The fourth proportional to 893,642.60, 1,340,658.30 and 294,501.80 is: 441,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,642.60 : 1,340,658.30 = 294,501.80 : x
  2. Step 2: Convert to fraction form
    893,642.60/1,340,658.30 = 294,501.80/x
  3. Step 3: Cross multiply
    893,642.60x = 1,340,658.30 × 294,501.80
  4. Step 4: Simplify right side
    893,642.60x = 394,826,282,534.94
  5. Step 5: Solve for x
    x = 394,826,282,534.94/893,642.60
  6. Step 6: Final answer
    x = 441,816.76

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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.