Home / 927,756.71-1,391,852.86-288,027.77

Finding the Fourth Proportional to 927,756.71, 1,391,852.86 and 288,027.77

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Solution

The fourth proportional to 927,756.71, 1,391,852.86 and 288,027.77 is: 432,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,756.71 : 1,391,852.86 = 288,027.77 : x
  2. Step 2: Convert to fraction form
    927,756.71/1,391,852.86 = 288,027.77/x
  3. Step 3: Cross multiply
    927,756.71x = 1,391,852.86 × 288,027.77
  4. Step 4: Simplify right side
    927,756.71x = 400,892,275,433.92
  5. Step 5: Solve for x
    x = 400,892,275,433.92/927,756.71
  6. Step 6: Final answer
    x = 432,109.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.