Home / 873,432.20-1,310,415.70-447,269.77

Finding the Fourth Proportional to 873,432.20, 1,310,415.70 and 447,269.77

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Solution

The fourth proportional to 873,432.20, 1,310,415.70 and 447,269.77 is: 671,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,432.20 : 1,310,415.70 = 447,269.77 : x
  2. Step 2: Convert to fraction form
    873,432.20/1,310,415.70 = 447,269.77/x
  3. Step 3: Cross multiply
    873,432.20x = 1,310,415.70 × 447,269.77
  4. Step 4: Simplify right side
    873,432.20x = 586,109,323,231.00
  5. Step 5: Solve for x
    x = 586,109,323,231.00/873,432.20
  6. Step 6: Final answer
    x = 671,041.58

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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.