Home / 880,345.89-1,320,023.12-281,166.21

Finding the Fourth Proportional to 880,345.89, 1,320,023.12 and 281,166.21

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Solution

The fourth proportional to 880,345.89, 1,320,023.12 and 281,166.21 is: 421,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,345.89 : 1,320,023.12 = 281,166.21 : x
  2. Step 2: Convert to fraction form
    880,345.89/1,320,023.12 = 281,166.21/x
  3. Step 3: Cross multiply
    880,345.89x = 1,320,023.12 × 281,166.21
  4. Step 4: Simplify right side
    880,345.89x = 371,145,896,356.94
  5. Step 5: Solve for x
    x = 371,145,896,356.94/880,345.89
  6. Step 6: Final answer
    x = 421,590.99

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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.