Home / 770,483.80-1,155,812.10-238,000.60

Finding the Fourth Proportional to 770,483.80, 1,155,812.10 and 238,000.60

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Solution

The fourth proportional to 770,483.80, 1,155,812.10 and 238,000.60 is: 357,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,483.80 : 1,155,812.10 = 238,000.60 : x
  2. Step 2: Convert to fraction form
    770,483.80/1,155,812.10 = 238,000.60/x
  3. Step 3: Cross multiply
    770,483.80x = 1,155,812.10 × 238,000.60
  4. Step 4: Simplify right side
    770,483.80x = 275,083,973,287.26
  5. Step 5: Solve for x
    x = 275,083,973,287.26/770,483.80
  6. Step 6: Final answer
    x = 357,027.59

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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.