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Finding the Fourth Proportional to 607,620.08, 838,490.18 and 349,477.54

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Solution

The fourth proportional to 607,620.08, 838,490.18 and 349,477.54 is: 482,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,620.08 : 838,490.18 = 349,477.54 : x
  2. Step 2: Convert to fraction form
    607,620.08/838,490.18 = 349,477.54/x
  3. Step 3: Cross multiply
    607,620.08x = 838,490.18 × 349,477.54
  4. Step 4: Simplify right side
    607,620.08x = 293,033,483,542.76
  5. Step 5: Solve for x
    x = 293,033,483,542.76/607,620.08
  6. Step 6: Final answer
    x = 482,264.32

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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.