Home / 835,390.09-1,152,807.48-453,408.67

Finding the Fourth Proportional to 835,390.09, 1,152,807.48 and 453,408.67

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Solution

The fourth proportional to 835,390.09, 1,152,807.48 and 453,408.67 is: 625,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,390.09 : 1,152,807.48 = 453,408.67 : x
  2. Step 2: Convert to fraction form
    835,390.09/1,152,807.48 = 453,408.67/x
  3. Step 3: Cross multiply
    835,390.09x = 1,152,807.48 × 453,408.67
  4. Step 4: Simplify right side
    835,390.09x = 522,692,906,272.85
  5. Step 5: Solve for x
    x = 522,692,906,272.85/835,390.09
  6. Step 6: Final answer
    x = 625,687.22

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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.