Home / 810,459.32-1,214,602.32-630,761.74

Finding the Fourth Proportional to 810,459.32, 1,214,602.32 and 630,761.74

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Solution

The fourth proportional to 810,459.32, 1,214,602.32 and 630,761.74 is: 945,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,459.32 : 1,214,602.32 = 630,761.74 : x
  2. Step 2: Convert to fraction form
    810,459.32/1,214,602.32 = 630,761.74/x
  3. Step 3: Cross multiply
    810,459.32x = 1,214,602.32 × 630,761.74
  4. Step 4: Simplify right side
    810,459.32x = 766,124,672,771.24
  5. Step 5: Solve for x
    x = 766,124,672,771.24/810,459.32
  6. Step 6: Final answer
    x = 945,296.89

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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.