Home / 680,518.70-1,020,778.05-470,566.70

Finding the Fourth Proportional to 680,518.70, 1,020,778.05 and 470,566.70

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Solution

The fourth proportional to 680,518.70, 1,020,778.05 and 470,566.70 is: 705,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,518.70 : 1,020,778.05 = 470,566.70 : x
  2. Step 2: Convert to fraction form
    680,518.70/1,020,778.05 = 470,566.70/x
  3. Step 3: Cross multiply
    680,518.70x = 1,020,778.05 × 470,566.70
  4. Step 4: Simplify right side
    680,518.70x = 480,344,158,420.94
  5. Step 5: Solve for x
    x = 480,344,158,420.94/680,518.70
  6. Step 6: Final answer
    x = 705,850.05

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1.5x scale

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.