Home / 765,823.23-1,148,021.26-260,038.29

Finding the Fourth Proportional to 765,823.23, 1,148,021.26 and 260,038.29

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Solution

The fourth proportional to 765,823.23, 1,148,021.26 and 260,038.29 is: 389,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,823.23 : 1,148,021.26 = 260,038.29 : x
  2. Step 2: Convert to fraction form
    765,823.23/1,148,021.26 = 260,038.29/x
  3. Step 3: Cross multiply
    765,823.23x = 1,148,021.26 × 260,038.29
  4. Step 4: Simplify right side
    765,823.23x = 298,529,482,745.39
  5. Step 5: Solve for x
    x = 298,529,482,745.39/765,823.23
  6. Step 6: Final answer
    x = 389,815.13

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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.