Home / 289,724.60-434,586.90-274,962.35

Finding the Fourth Proportional to 289,724.60, 434,586.90 and 274,962.35

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Solution

The fourth proportional to 289,724.60, 434,586.90 and 274,962.35 is: 412,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,724.60 : 434,586.90 = 274,962.35 : x
  2. Step 2: Convert to fraction form
    289,724.60/434,586.90 = 274,962.35/x
  3. Step 3: Cross multiply
    289,724.60x = 434,586.90 × 274,962.35
  4. Step 4: Simplify right side
    289,724.60x = 119,495,035,303.22
  5. Step 5: Solve for x
    x = 119,495,035,303.22/289,724.60
  6. Step 6: Final answer
    x = 412,443.53

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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.