Home / 825,746.24-1,238,559.21-370,478.45

Finding the Fourth Proportional to 825,746.24, 1,238,559.21 and 370,478.45

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Solution

The fourth proportional to 825,746.24, 1,238,559.21 and 370,478.45 is: 555,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,746.24 : 1,238,559.21 = 370,478.45 : x
  2. Step 2: Convert to fraction form
    825,746.24/1,238,559.21 = 370,478.45/x
  3. Step 3: Cross multiply
    825,746.24x = 1,238,559.21 × 370,478.45
  4. Step 4: Simplify right side
    825,746.24x = 458,859,496,354.03
  5. Step 5: Solve for x
    x = 458,859,496,354.03/825,746.24
  6. Step 6: Final answer
    x = 555,690.69

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1.5x scale

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.