Home / 405,972.90-608,959.35-384,200.10

Finding the Fourth Proportional to 405,972.90, 608,959.35 and 384,200.10

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Solution

The fourth proportional to 405,972.90, 608,959.35 and 384,200.10 is: 576,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,972.90 : 608,959.35 = 384,200.10 : x
  2. Step 2: Convert to fraction form
    405,972.90/608,959.35 = 384,200.10/x
  3. Step 3: Cross multiply
    405,972.90x = 608,959.35 × 384,200.10
  4. Step 4: Simplify right side
    405,972.90x = 233,962,243,165.94
  5. Step 5: Solve for x
    x = 233,962,243,165.94/405,972.90
  6. Step 6: Final answer
    x = 576,300.15

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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.