Home / 766,465.18-1,149,875.84-261,030.52

Finding the Fourth Proportional to 766,465.18, 1,149,875.84 and 261,030.52

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Solution

The fourth proportional to 766,465.18, 1,149,875.84 and 261,030.52 is: 391,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,465.18 : 1,149,875.84 = 261,030.52 : x
  2. Step 2: Convert to fraction form
    766,465.18/1,149,875.84 = 261,030.52/x
  3. Step 3: Cross multiply
    766,465.18x = 1,149,875.84 × 261,030.52
  4. Step 4: Simplify right side
    766,465.18x = 300,152,688,450.64
  5. Step 5: Solve for x
    x = 300,152,688,450.64/766,465.18
  6. Step 6: Final answer
    x = 391,606.43

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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.