Home / 727,606.02-1,004,126.56-405,316.03

Finding the Fourth Proportional to 727,606.02, 1,004,126.56 and 405,316.03

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Solution

The fourth proportional to 727,606.02, 1,004,126.56 and 405,316.03 is: 559,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,606.02 : 1,004,126.56 = 405,316.03 : x
  2. Step 2: Convert to fraction form
    727,606.02/1,004,126.56 = 405,316.03/x
  3. Step 3: Cross multiply
    727,606.02x = 1,004,126.56 × 405,316.03
  4. Step 4: Simplify right side
    727,606.02x = 406,988,590,916.76
  5. Step 5: Solve for x
    x = 406,988,590,916.76/727,606.02
  6. Step 6: Final answer
    x = 559,352.97

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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.