Home / 712,023.90-982,554.93-389,671.67

Finding the Fourth Proportional to 712,023.90, 982,554.93 and 389,671.67

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Solution

The fourth proportional to 712,023.90, 982,554.93 and 389,671.67 is: 537,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,023.90 : 982,554.93 = 389,671.67 : x
  2. Step 2: Convert to fraction form
    712,023.90/982,554.93 = 389,671.67/x
  3. Step 3: Cross multiply
    712,023.90x = 982,554.93 × 389,671.67
  4. Step 4: Simplify right side
    712,023.90x = 382,873,815,527.06
  5. Step 5: Solve for x
    x = 382,873,815,527.06/712,023.90
  6. Step 6: Final answer
    x = 537,726.07

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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.