Home / 977,914.20-1,467,308.70-472,279.80

Finding the Fourth Proportional to 977,914.20, 1,467,308.70 and 472,279.80

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Solution

The fourth proportional to 977,914.20, 1,467,308.70 and 472,279.80 is: 708,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,914.20 : 1,467,308.70 = 472,279.80 : x
  2. Step 2: Convert to fraction form
    977,914.20/1,467,308.70 = 472,279.80/x
  3. Step 3: Cross multiply
    977,914.20x = 1,467,308.70 × 472,279.80
  4. Step 4: Simplify right side
    977,914.20x = 692,980,259,374.26
  5. Step 5: Solve for x
    x = 692,980,259,374.26/977,914.20
  6. Step 6: Final answer
    x = 708,630.94

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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.