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Finding the Fourth Proportional to 594,567.76, 820,492.12 and 336,440

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Solution

The fourth proportional to 594,567.76, 820,492.12 and 336,440 is: 464,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,567.76 : 820,492.12 = 336,440 : x
  2. Step 2: Convert to fraction form
    594,567.76/820,492.12 = 336,440/x
  3. Step 3: Cross multiply
    594,567.76x = 820,492.12 × 336,440
  4. Step 4: Simplify right side
    594,567.76x = 276,046,367,170.60
  5. Step 5: Solve for x
    x = 276,046,367,170.60/594,567.76
  6. Step 6: Final answer
    x = 464,280.76

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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.