Home / 804,154.85-1,211,879.93-724,292.90

Finding the Fourth Proportional to 804,154.85, 1,211,879.93 and 724,292.90

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Solution

The fourth proportional to 804,154.85, 1,211,879.93 and 724,292.90 is: 1,091,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,154.85 : 1,211,879.93 = 724,292.90 : x
  2. Step 2: Convert to fraction form
    804,154.85/1,211,879.93 = 724,292.90/x
  3. Step 3: Cross multiply
    804,154.85x = 1,211,879.93 × 724,292.90
  4. Step 4: Simplify right side
    804,154.85x = 877,756,023,815.18
  5. Step 5: Solve for x
    x = 877,756,023,815.18/804,154.85
  6. Step 6: Final answer
    x = 1,091,526.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.