Home / 842,058.48-1,263,402-505,340.67

Finding the Fourth Proportional to 842,058.48, 1,263,402 and 505,340.67

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Solution

The fourth proportional to 842,058.48, 1,263,402 and 505,340.67 is: 758,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,058.48 : 1,263,402 = 505,340.67 : x
  2. Step 2: Convert to fraction form
    842,058.48/1,263,402 = 505,340.67/x
  3. Step 3: Cross multiply
    842,058.48x = 1,263,402 × 505,340.67
  4. Step 4: Simplify right side
    842,058.48x = 638,448,413,159.34
  5. Step 5: Solve for x
    x = 638,448,413,159.34/842,058.48
  6. Step 6: Final answer
    x = 758,199.61

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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.