Home / 598,289.45-896,930.78-278,278.70

Finding the Fourth Proportional to 598,289.45, 896,930.78 and 278,278.70

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Solution

The fourth proportional to 598,289.45, 896,930.78 and 278,278.70 is: 417,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,289.45 : 896,930.78 = 278,278.70 : x
  2. Step 2: Convert to fraction form
    598,289.45/896,930.78 = 278,278.70/x
  3. Step 3: Cross multiply
    598,289.45x = 896,930.78 × 278,278.70
  4. Step 4: Simplify right side
    598,289.45x = 249,596,725,572.34
  5. Step 5: Solve for x
    x = 249,596,725,572.34/598,289.45
  6. Step 6: Final answer
    x = 417,183.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.