Home / 685,599.41-1,028,563.16-286,018.11

Finding the Fourth Proportional to 685,599.41, 1,028,563.16 and 286,018.11

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Solution

The fourth proportional to 685,599.41, 1,028,563.16 and 286,018.11 is: 429,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,599.41 : 1,028,563.16 = 286,018.11 : x
  2. Step 2: Convert to fraction form
    685,599.41/1,028,563.16 = 286,018.11/x
  3. Step 3: Cross multiply
    685,599.41x = 1,028,563.16 × 286,018.11
  4. Step 4: Simplify right side
    685,599.41x = 294,187,689,608.74
  5. Step 5: Solve for x
    x = 294,187,689,608.74/685,599.41
  6. Step 6: Final answer
    x = 429,095.60

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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.