Home / 786,871.23-1,181,487.83-450,291.93

Finding the Fourth Proportional to 786,871.23, 1,181,487.83 and 450,291.93

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Solution

The fourth proportional to 786,871.23, 1,181,487.83 and 450,291.93 is: 676,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,871.23 : 1,181,487.83 = 450,291.93 : x
  2. Step 2: Convert to fraction form
    786,871.23/1,181,487.83 = 450,291.93/x
  3. Step 3: Cross multiply
    786,871.23x = 1,181,487.83 × 450,291.93
  4. Step 4: Simplify right side
    786,871.23x = 532,014,432,990.75
  5. Step 5: Solve for x
    x = 532,014,432,990.75/786,871.23
  6. Step 6: Final answer
    x = 676,113.72

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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.