Home / 770,653.49-1,155,854.66-258,545.27

Finding the Fourth Proportional to 770,653.49, 1,155,854.66 and 258,545.27

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Solution

The fourth proportional to 770,653.49, 1,155,854.66 and 258,545.27 is: 387,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,653.49 : 1,155,854.66 = 258,545.27 : x
  2. Step 2: Convert to fraction form
    770,653.49/1,155,854.66 = 258,545.27/x
  3. Step 3: Cross multiply
    770,653.49x = 1,155,854.66 × 258,545.27
  4. Step 4: Simplify right side
    770,653.49x = 298,840,751,700.00
  5. Step 5: Solve for x
    x = 298,840,751,700.00/770,653.49
  6. Step 6: Final answer
    x = 387,775.77

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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.