Home / 455,328.20-682,928.06-286,333.24

Finding the Fourth Proportional to 455,328.20, 682,928.06 and 286,333.24

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Solution

The fourth proportional to 455,328.20, 682,928.06 and 286,333.24 is: 429,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,328.20 : 682,928.06 = 286,333.24 : x
  2. Step 2: Convert to fraction form
    455,328.20/682,928.06 = 286,333.24/x
  3. Step 3: Cross multiply
    455,328.20x = 682,928.06 × 286,333.24
  4. Step 4: Simplify right side
    455,328.20x = 195,545,004,106.71
  5. Step 5: Solve for x
    x = 195,545,004,106.71/455,328.20
  6. Step 6: Final answer
    x = 429,459.46

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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.