Home / 857,303.34-1,285,150.34-288,286.50

Finding the Fourth Proportional to 857,303.34, 1,285,150.34 and 288,286.50

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Solution

The fourth proportional to 857,303.34, 1,285,150.34 and 288,286.50 is: 432,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,303.34 : 1,285,150.34 = 288,286.50 : x
  2. Step 2: Convert to fraction form
    857,303.34/1,285,150.34 = 288,286.50/x
  3. Step 3: Cross multiply
    857,303.34x = 1,285,150.34 × 288,286.50
  4. Step 4: Simplify right side
    857,303.34x = 370,491,493,492.41
  5. Step 5: Solve for x
    x = 370,491,493,492.41/857,303.34
  6. Step 6: Final answer
    x = 432,159.16

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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.