Home / 805,595.16-1,208,392.65-383,591.64

Finding the Fourth Proportional to 805,595.16, 1,208,392.65 and 383,591.64

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Solution

The fourth proportional to 805,595.16, 1,208,392.65 and 383,591.64 is: 575,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,595.16 : 1,208,392.65 = 383,591.64 : x
  2. Step 2: Convert to fraction form
    805,595.16/1,208,392.65 = 383,591.64/x
  3. Step 3: Cross multiply
    805,595.16x = 1,208,392.65 × 383,591.64
  4. Step 4: Simplify right side
    805,595.16x = 463,529,318,377.45
  5. Step 5: Solve for x
    x = 463,529,318,377.45/805,595.16
  6. Step 6: Final answer
    x = 575,387.42

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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.