Home / 804,743.85-1,110,643.07-482,631.15

Finding the Fourth Proportional to 804,743.85, 1,110,643.07 and 482,631.15

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Solution

The fourth proportional to 804,743.85, 1,110,643.07 and 482,631.15 is: 666,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,743.85 : 1,110,643.07 = 482,631.15 : x
  2. Step 2: Convert to fraction form
    804,743.85/1,110,643.07 = 482,631.15/x
  3. Step 3: Cross multiply
    804,743.85x = 1,110,643.07 × 482,631.15
  4. Step 4: Simplify right side
    804,743.85x = 536,030,939,700.48
  5. Step 5: Solve for x
    x = 536,030,939,700.48/804,743.85
  6. Step 6: Final answer
    x = 666,088.89

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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.