Home / 492,431.32-679,545.70-277,567.24

Finding the Fourth Proportional to 492,431.32, 679,545.70 and 277,567.24

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Solution

The fourth proportional to 492,431.32, 679,545.70 and 277,567.24 is: 383,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,431.32 : 679,545.70 = 277,567.24 : x
  2. Step 2: Convert to fraction form
    492,431.32/679,545.70 = 277,567.24/x
  3. Step 3: Cross multiply
    492,431.32x = 679,545.70 × 277,567.24
  4. Step 4: Simplify right side
    492,431.32x = 188,619,624,402.87
  5. Step 5: Solve for x
    x = 188,619,624,402.87/492,431.32
  6. Step 6: Final answer
    x = 383,037.42

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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.