Home / 927,357.47-1,282,570.75-831,829.31

Finding the Fourth Proportional to 927,357.47, 1,282,570.75 and 831,829.31

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Solution

The fourth proportional to 927,357.47, 1,282,570.75 and 831,829.31 is: 1,150,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,357.47 : 1,282,570.75 = 831,829.31 : x
  2. Step 2: Convert to fraction form
    927,357.47/1,282,570.75 = 831,829.31/x
  3. Step 3: Cross multiply
    927,357.47x = 1,282,570.75 × 831,829.31
  4. Step 4: Simplify right side
    927,357.47x = 1,066,879,941,998.68
  5. Step 5: Solve for x
    x = 1,066,879,941,998.68/927,357.47
  6. Step 6: Final answer
    x = 1,150,451.66

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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.