Home / 835,408.12-1,152,832.32-453,426.72

Finding the Fourth Proportional to 835,408.12, 1,152,832.32 and 453,426.72

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Solution

The fourth proportional to 835,408.12, 1,152,832.32 and 453,426.72 is: 625,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,408.12 : 1,152,832.32 = 453,426.72 : x
  2. Step 2: Convert to fraction form
    835,408.12/1,152,832.32 = 453,426.72/x
  3. Step 3: Cross multiply
    835,408.12x = 1,152,832.32 × 453,426.72
  4. Step 4: Simplify right side
    835,408.12x = 522,724,977,567.59
  5. Step 5: Solve for x
    x = 522,724,977,567.59/835,408.12
  6. Step 6: Final answer
    x = 625,712.11

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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.