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Finding the Fourth Proportional to 607,706.19, 838,640.98 and 335,767.32

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Solution

The fourth proportional to 607,706.19, 838,640.98 and 335,767.32 is: 463,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,706.19 : 838,640.98 = 335,767.32 : x
  2. Step 2: Convert to fraction form
    607,706.19/838,640.98 = 335,767.32/x
  3. Step 3: Cross multiply
    607,706.19x = 838,640.98 × 335,767.32
  4. Step 4: Simplify right side
    607,706.19x = 281,588,234,716.48
  5. Step 5: Solve for x
    x = 281,588,234,716.48/607,706.19
  6. Step 6: Final answer
    x = 463,362.46

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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.