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Finding the Fourth Proportional to 594,340.84, 819,488.10 and 486,513.64

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Solution

The fourth proportional to 594,340.84, 819,488.10 and 486,513.64 is: 670,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,340.84 : 819,488.10 = 486,513.64 : x
  2. Step 2: Convert to fraction form
    594,340.84/819,488.10 = 486,513.64/x
  3. Step 3: Cross multiply
    594,340.84x = 819,488.10 × 486,513.64
  4. Step 4: Simplify right side
    594,340.84x = 398,692,138,467.68
  5. Step 5: Solve for x
    x = 398,692,138,467.68/594,340.84
  6. Step 6: Final answer
    x = 670,813.97

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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.