Home / 770,478.29-1,155,768.16-201,873.33

Finding the Fourth Proportional to 770,478.29, 1,155,768.16 and 201,873.33

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Solution

The fourth proportional to 770,478.29, 1,155,768.16 and 201,873.33 is: 302,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,478.29 : 1,155,768.16 = 201,873.33 : x
  2. Step 2: Convert to fraction form
    770,478.29/1,155,768.16 = 201,873.33/x
  3. Step 3: Cross multiply
    770,478.29x = 1,155,768.16 × 201,873.33
  4. Step 4: Simplify right side
    770,478.29x = 233,318,767,167.17
  5. Step 5: Solve for x
    x = 233,318,767,167.17/770,478.29
  6. Step 6: Final answer
    x = 302,823.29

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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.