Home / 860,298.89-1,290,444.01-220,599.77

Finding the Fourth Proportional to 860,298.89, 1,290,444.01 and 220,599.77

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Solution

The fourth proportional to 860,298.89, 1,290,444.01 and 220,599.77 is: 330,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,298.89 : 1,290,444.01 = 220,599.77 : x
  2. Step 2: Convert to fraction form
    860,298.89/1,290,444.01 = 220,599.77/x
  3. Step 3: Cross multiply
    860,298.89x = 1,290,444.01 × 220,599.77
  4. Step 4: Simplify right side
    860,298.89x = 284,671,644,800.16
  5. Step 5: Solve for x
    x = 284,671,644,800.16/860,298.89
  6. Step 6: Final answer
    x = 330,898.54

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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.