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Finding the Fourth Proportional to 608,715.16, 840,051.64 and 336,778.62

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Solution

The fourth proportional to 608,715.16, 840,051.64 and 336,778.62 is: 464,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,715.16 : 840,051.64 = 336,778.62 : x
  2. Step 2: Convert to fraction form
    608,715.16/840,051.64 = 336,778.62/x
  3. Step 3: Cross multiply
    608,715.16x = 840,051.64 × 336,778.62
  4. Step 4: Simplify right side
    608,715.16x = 282,911,432,047.94
  5. Step 5: Solve for x
    x = 282,911,432,047.94/608,715.16
  6. Step 6: Final answer
    x = 464,768.18

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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.