Home / 980,461.09-1,470,692.79-306,545.93

Finding the Fourth Proportional to 980,461.09, 1,470,692.79 and 306,545.93

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Solution

The fourth proportional to 980,461.09, 1,470,692.79 and 306,545.93 is: 459,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,461.09 : 1,470,692.79 = 306,545.93 : x
  2. Step 2: Convert to fraction form
    980,461.09/1,470,692.79 = 306,545.93/x
  3. Step 3: Cross multiply
    980,461.09x = 1,470,692.79 × 306,545.93
  4. Step 4: Simplify right side
    980,461.09x = 450,834,889,054.85
  5. Step 5: Solve for x
    x = 450,834,889,054.85/980,461.09
  6. Step 6: Final answer
    x = 459,819.26

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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.