Home / 501,014.84-691,386.18-286,150.46

Finding the Fourth Proportional to 501,014.84, 691,386.18 and 286,150.46

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Solution

The fourth proportional to 501,014.84, 691,386.18 and 286,150.46 is: 394,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,014.84 : 691,386.18 = 286,150.46 : x
  2. Step 2: Convert to fraction form
    501,014.84/691,386.18 = 286,150.46/x
  3. Step 3: Cross multiply
    501,014.84x = 691,386.18 × 286,150.46
  4. Step 4: Simplify right side
    501,014.84x = 197,840,473,444.64
  5. Step 5: Solve for x
    x = 197,840,473,444.64/501,014.84
  6. Step 6: Final answer
    x = 394,879.47

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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.