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Finding the Fourth Proportional to 436,842.95, 602,612.06 and 300,640.43

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Solution

The fourth proportional to 436,842.95, 602,612.06 and 300,640.43 is: 414,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,842.95 : 602,612.06 = 300,640.43 : x
  2. Step 2: Convert to fraction form
    436,842.95/602,612.06 = 300,640.43/x
  3. Step 3: Cross multiply
    436,842.95x = 602,612.06 × 300,640.43
  4. Step 4: Simplify right side
    436,842.95x = 181,169,547,321.41
  5. Step 5: Solve for x
    x = 181,169,547,321.41/436,842.95
  6. Step 6: Final answer
    x = 414,724.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.