Home / 942,688.73-1,300,683.62-555,519.97

Finding the Fourth Proportional to 942,688.73, 1,300,683.62 and 555,519.97

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Solution

The fourth proportional to 942,688.73, 1,300,683.62 and 555,519.97 is: 766,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,688.73 : 1,300,683.62 = 555,519.97 : x
  2. Step 2: Convert to fraction form
    942,688.73/1,300,683.62 = 555,519.97/x
  3. Step 3: Cross multiply
    942,688.73x = 1,300,683.62 × 555,519.97
  4. Step 4: Simplify right side
    942,688.73x = 722,555,728,576.55
  5. Step 5: Solve for x
    x = 722,555,728,576.55/942,688.73
  6. Step 6: Final answer
    x = 766,483.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.