Home / 803,063.18-1,108,226.16-440,488.67

Finding the Fourth Proportional to 803,063.18, 1,108,226.16 and 440,488.67

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Solution

The fourth proportional to 803,063.18, 1,108,226.16 and 440,488.67 is: 607,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,063.18 : 1,108,226.16 = 440,488.67 : x
  2. Step 2: Convert to fraction form
    803,063.18/1,108,226.16 = 440,488.67/x
  3. Step 3: Cross multiply
    803,063.18x = 1,108,226.16 × 440,488.67
  4. Step 4: Simplify right side
    803,063.18x = 488,161,061,736.48
  5. Step 5: Solve for x
    x = 488,161,061,736.48/803,063.18
  6. Step 6: Final answer
    x = 607,873.79

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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.