Home / 810,466.07-1,214,612.44-630,768.49

Finding the Fourth Proportional to 810,466.07, 1,214,612.44 and 630,768.49

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Solution

The fourth proportional to 810,466.07, 1,214,612.44 and 630,768.49 is: 945,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,466.07 : 1,214,612.44 = 630,768.49 : x
  2. Step 2: Convert to fraction form
    810,466.07/1,214,612.44 = 630,768.49/x
  3. Step 3: Cross multiply
    810,466.07x = 1,214,612.44 × 630,768.49
  4. Step 4: Simplify right side
    810,466.07x = 766,139,254,714.02
  5. Step 5: Solve for x
    x = 766,139,254,714.02/810,466.07
  6. Step 6: Final answer
    x = 945,307.01

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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.