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Finding the Fourth Proportional to 594,798.64, 820,554.22 and 353,091.40

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Solution

The fourth proportional to 594,798.64, 820,554.22 and 353,091.40 is: 487,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,798.64 : 820,554.22 = 353,091.40 : x
  2. Step 2: Convert to fraction form
    594,798.64/820,554.22 = 353,091.40/x
  3. Step 3: Cross multiply
    594,798.64x = 820,554.22 × 353,091.40
  4. Step 4: Simplify right side
    594,798.64x = 289,730,638,315.71
  5. Step 5: Solve for x
    x = 289,730,638,315.71/594,798.64
  6. Step 6: Final answer
    x = 487,107.10

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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.