Home / 837,015.12-1,155,111.84-464,488.56

Finding the Fourth Proportional to 837,015.12, 1,155,111.84 and 464,488.56

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Solution

The fourth proportional to 837,015.12, 1,155,111.84 and 464,488.56 is: 641,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,015.12 : 1,155,111.84 = 464,488.56 : x
  2. Step 2: Convert to fraction form
    837,015.12/1,155,111.84 = 464,488.56/x
  3. Step 3: Cross multiply
    837,015.12x = 1,155,111.84 × 464,488.56
  4. Step 4: Simplify right side
    837,015.12x = 536,536,235,200.55
  5. Step 5: Solve for x
    x = 536,536,235,200.55/837,015.12
  6. Step 6: Final answer
    x = 641,011.40

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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.