Home / 856,095.40-1,283,840.70-294,999.40

Finding the Fourth Proportional to 856,095.40, 1,283,840.70 and 294,999.40

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Solution

The fourth proportional to 856,095.40, 1,283,840.70 and 294,999.40 is: 442,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,095.40 : 1,283,840.70 = 294,999.40 : x
  2. Step 2: Convert to fraction form
    856,095.40/1,283,840.70 = 294,999.40/x
  3. Step 3: Cross multiply
    856,095.40x = 1,283,840.70 × 294,999.40
  4. Step 4: Simplify right side
    856,095.40x = 378,732,236,195.58
  5. Step 5: Solve for x
    x = 378,732,236,195.58/856,095.40
  6. Step 6: Final answer
    x = 442,394.90

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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.