Home / 720,934.67-1,081,638.93-294,828.92

Finding the Fourth Proportional to 720,934.67, 1,081,638.93 and 294,828.92

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Solution

The fourth proportional to 720,934.67, 1,081,638.93 and 294,828.92 is: 442,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,934.67 : 1,081,638.93 = 294,828.92 : x
  2. Step 2: Convert to fraction form
    720,934.67/1,081,638.93 = 294,828.92/x
  3. Step 3: Cross multiply
    720,934.67x = 1,081,638.93 × 294,828.92
  4. Step 4: Simplify right side
    720,934.67x = 318,898,441,188.42
  5. Step 5: Solve for x
    x = 318,898,441,188.42/720,934.67
  6. Step 6: Final answer
    x = 442,340.28

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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.