Home / 851,989.34-1,175,749.27-470,016.02

Finding the Fourth Proportional to 851,989.34, 1,175,749.27 and 470,016.02

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Solution

The fourth proportional to 851,989.34, 1,175,749.27 and 470,016.02 is: 648,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,989.34 : 1,175,749.27 = 470,016.02 : x
  2. Step 2: Convert to fraction form
    851,989.34/1,175,749.27 = 470,016.02/x
  3. Step 3: Cross multiply
    851,989.34x = 1,175,749.27 × 470,016.02
  4. Step 4: Simplify right side
    851,989.34x = 552,620,985,349.52
  5. Step 5: Solve for x
    x = 552,620,985,349.52/851,989.34
  6. Step 6: Final answer
    x = 648,624.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.