Home / 578,076.76-867,038.42-262,461.08

Finding the Fourth Proportional to 578,076.76, 867,038.42 and 262,461.08

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Solution

The fourth proportional to 578,076.76, 867,038.42 and 262,461.08 is: 393,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,076.76 : 867,038.42 = 262,461.08 : x
  2. Step 2: Convert to fraction form
    578,076.76/867,038.42 = 262,461.08/x
  3. Step 3: Cross multiply
    578,076.76x = 867,038.42 × 262,461.08
  4. Step 4: Simplify right side
    578,076.76x = 227,563,840,114.69
  5. Step 5: Solve for x
    x = 227,563,840,114.69/578,076.76
  6. Step 6: Final answer
    x = 393,656.79

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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.