Home / 680,529.70-1,020,794.55-470,577.70

Finding the Fourth Proportional to 680,529.70, 1,020,794.55 and 470,577.70

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Solution

The fourth proportional to 680,529.70, 1,020,794.55 and 470,577.70 is: 705,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,529.70 : 1,020,794.55 = 470,577.70 : x
  2. Step 2: Convert to fraction form
    680,529.70/1,020,794.55 = 470,577.70/x
  3. Step 3: Cross multiply
    680,529.70x = 1,020,794.55 × 470,577.70
  4. Step 4: Simplify right side
    680,529.70x = 480,363,151,511.54
  5. Step 5: Solve for x
    x = 480,363,151,511.54/680,529.70
  6. Step 6: Final answer
    x = 705,866.55

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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.