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Finding the Fourth Proportional to 403,630.60, 607,498.03 and 304,292.20

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Solution

The fourth proportional to 403,630.60, 607,498.03 and 304,292.20 is: 457,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,630.60 : 607,498.03 = 304,292.20 : x
  2. Step 2: Convert to fraction form
    403,630.60/607,498.03 = 304,292.20/x
  3. Step 3: Cross multiply
    403,630.60x = 607,498.03 × 304,292.20
  4. Step 4: Simplify right side
    403,630.60x = 184,856,912,044.37
  5. Step 5: Solve for x
    x = 184,856,912,044.37/403,630.60
  6. Step 6: Final answer
    x = 457,985.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.