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Finding the Fourth Proportional to 587,595.94, 811,050.54 and 346,018.64

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Solution

The fourth proportional to 587,595.94, 811,050.54 and 346,018.64 is: 477,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,595.94 : 811,050.54 = 346,018.64 : x
  2. Step 2: Convert to fraction form
    587,595.94/811,050.54 = 346,018.64/x
  3. Step 3: Cross multiply
    587,595.94x = 811,050.54 × 346,018.64
  4. Step 4: Simplify right side
    587,595.94x = 280,638,601,415.60
  5. Step 5: Solve for x
    x = 280,638,601,415.60/587,595.94
  6. Step 6: Final answer
    x = 477,604.73

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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.