Home / 945,980.17-1,305,483.17-538,071.55

Finding the Fourth Proportional to 945,980.17, 1,305,483.17 and 538,071.55

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Solution

The fourth proportional to 945,980.17, 1,305,483.17 and 538,071.55 is: 742,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,980.17 : 1,305,483.17 = 538,071.55 : x
  2. Step 2: Convert to fraction form
    945,980.17/1,305,483.17 = 538,071.55/x
  3. Step 3: Cross multiply
    945,980.17x = 1,305,483.17 × 538,071.55
  4. Step 4: Simplify right side
    945,980.17x = 702,443,350,090.46
  5. Step 5: Solve for x
    x = 702,443,350,090.46/945,980.17
  6. Step 6: Final answer
    x = 742,556.10

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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.