Home / 810,455.59-1,214,596.70-630,757.99

Finding the Fourth Proportional to 810,455.59, 1,214,596.70 and 630,757.99

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Solution

The fourth proportional to 810,455.59, 1,214,596.70 and 630,757.99 is: 945,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,455.59 : 1,214,596.70 = 630,757.99 : x
  2. Step 2: Convert to fraction form
    810,455.59/1,214,596.70 = 630,757.99/x
  3. Step 3: Cross multiply
    810,455.59x = 1,214,596.70 × 630,757.99
  4. Step 4: Simplify right side
    810,455.59x = 766,116,563,925.86
  5. Step 5: Solve for x
    x = 766,116,563,925.86/810,455.59
  6. Step 6: Final answer
    x = 945,291.24

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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.