Home / 486,948.55-671,992.38-272,097.67

Finding the Fourth Proportional to 486,948.55, 671,992.38 and 272,097.67

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Solution

The fourth proportional to 486,948.55, 671,992.38 and 272,097.67 is: 375,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,948.55 : 671,992.38 = 272,097.67 : x
  2. Step 2: Convert to fraction form
    486,948.55/671,992.38 = 272,097.67/x
  3. Step 3: Cross multiply
    486,948.55x = 671,992.38 × 272,097.67
  4. Step 4: Simplify right side
    486,948.55x = 182,847,560,855.76
  5. Step 5: Solve for x
    x = 182,847,560,855.76/486,948.55
  6. Step 6: Final answer
    x = 375,496.67

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1.5x scale

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.