Home / 872,831.31-1,204,488.30-505,323.93

Finding the Fourth Proportional to 872,831.31, 1,204,488.30 and 505,323.93

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Solution

The fourth proportional to 872,831.31, 1,204,488.30 and 505,323.93 is: 697,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,831.31 : 1,204,488.30 = 505,323.93 : x
  2. Step 2: Convert to fraction form
    872,831.31/1,204,488.30 = 505,323.93/x
  3. Step 3: Cross multiply
    872,831.31x = 1,204,488.30 × 505,323.93
  4. Step 4: Simplify right side
    872,831.31x = 608,656,762,511.28
  5. Step 5: Solve for x
    x = 608,656,762,511.28/872,831.31
  6. Step 6: Final answer
    x = 697,336.08

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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.