Home / 501,664.22-692,099.55-286,688.96

Finding the Fourth Proportional to 501,664.22, 692,099.55 and 286,688.96

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Solution

The fourth proportional to 501,664.22, 692,099.55 and 286,688.96 is: 395,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,664.22 : 692,099.55 = 286,688.96 : x
  2. Step 2: Convert to fraction form
    501,664.22/692,099.55 = 286,688.96/x
  3. Step 3: Cross multiply
    501,664.22x = 692,099.55 × 286,688.96
  4. Step 4: Simplify right side
    501,664.22x = 198,417,300,205.97
  5. Step 5: Solve for x
    x = 198,417,300,205.97/501,664.22
  6. Step 6: Final answer
    x = 395,518.14

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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.