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Finding the Fourth Proportional to 608,302.20, 912,460.50 and 368,468.40

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Solution

The fourth proportional to 608,302.20, 912,460.50 and 368,468.40 is: 552,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,302.20 : 912,460.50 = 368,468.40 : x
  2. Step 2: Convert to fraction form
    608,302.20/912,460.50 = 368,468.40/x
  3. Step 3: Cross multiply
    608,302.20x = 912,460.50 × 368,468.40
  4. Step 4: Simplify right side
    608,302.20x = 336,212,860,498.20
  5. Step 5: Solve for x
    x = 336,212,860,498.20/608,302.20
  6. Step 6: Final answer
    x = 552,706.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.