Home / 830,534.56-1,144,791.60-648,929.76

Finding the Fourth Proportional to 830,534.56, 1,144,791.60 and 648,929.76

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Solution

The fourth proportional to 830,534.56, 1,144,791.60 and 648,929.76 is: 894,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,534.56 : 1,144,791.60 = 648,929.76 : x
  2. Step 2: Convert to fraction form
    830,534.56/1,144,791.60 = 648,929.76/x
  3. Step 3: Cross multiply
    830,534.56x = 1,144,791.60 × 648,929.76
  4. Step 4: Simplify right side
    830,534.56x = 742,889,338,238.02
  5. Step 5: Solve for x
    x = 742,889,338,238.02/830,534.56
  6. Step 6: Final answer
    x = 894,471.31

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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.