Home / 921,222.86-1,380,786.08-560,598.35

Finding the Fourth Proportional to 921,222.86, 1,380,786.08 and 560,598.35

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Solution

The fourth proportional to 921,222.86, 1,380,786.08 and 560,598.35 is: 840,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,222.86 : 1,380,786.08 = 560,598.35 : x
  2. Step 2: Convert to fraction form
    921,222.86/1,380,786.08 = 560,598.35/x
  3. Step 3: Cross multiply
    921,222.86x = 1,380,786.08 × 560,598.35
  4. Step 4: Simplify right side
    921,222.86x = 774,066,388,444.05
  5. Step 5: Solve for x
    x = 774,066,388,444.05/921,222.86
  6. Step 6: Final answer
    x = 840,259.64

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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.