Home / 805,341.12-1,208,886.95-325,898.91

Finding the Fourth Proportional to 805,341.12, 1,208,886.95 and 325,898.91

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Solution

The fourth proportional to 805,341.12, 1,208,886.95 and 325,898.91 is: 489,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,341.12 : 1,208,886.95 = 325,898.91 : x
  2. Step 2: Convert to fraction form
    805,341.12/1,208,886.95 = 325,898.91/x
  3. Step 3: Cross multiply
    805,341.12x = 1,208,886.95 × 325,898.91
  4. Step 4: Simplify right side
    805,341.12x = 393,974,939,318.22
  5. Step 5: Solve for x
    x = 393,974,939,318.22/805,341.12
  6. Step 6: Final answer
    x = 489,202.56

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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.