Home / 841,270.24-1,160,907.44-478,683.36

Finding the Fourth Proportional to 841,270.24, 1,160,907.44 and 478,683.36

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Solution

The fourth proportional to 841,270.24, 1,160,907.44 and 478,683.36 is: 660,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,270.24 : 1,160,907.44 = 478,683.36 : x
  2. Step 2: Convert to fraction form
    841,270.24/1,160,907.44 = 478,683.36/x
  3. Step 3: Cross multiply
    841,270.24x = 1,160,907.44 × 478,683.36
  4. Step 4: Simplify right side
    841,270.24x = 555,707,074,028.20
  5. Step 5: Solve for x
    x = 555,707,074,028.20/841,270.24
  6. Step 6: Final answer
    x = 660,557.15

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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.