Home / 753,804.34-1,040,492.42-482,602.67

Finding the Fourth Proportional to 753,804.34, 1,040,492.42 and 482,602.67

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Solution

The fourth proportional to 753,804.34, 1,040,492.42 and 482,602.67 is: 666,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,804.34 : 1,040,492.42 = 482,602.67 : x
  2. Step 2: Convert to fraction form
    753,804.34/1,040,492.42 = 482,602.67/x
  3. Step 3: Cross multiply
    753,804.34x = 1,040,492.42 × 482,602.67
  4. Step 4: Simplify right side
    753,804.34x = 502,144,418,548.08
  5. Step 5: Solve for x
    x = 502,144,418,548.08/753,804.34
  6. Step 6: Final answer
    x = 666,146.89

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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.