Home / 1,038,520.32-1,558,056.48-328,560.96

Finding the Fourth Proportional to 1,038,520.32, 1,558,056.48 and 328,560.96

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Solution

The fourth proportional to 1,038,520.32, 1,558,056.48 and 328,560.96 is: 492,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,520.32 : 1,558,056.48 = 328,560.96 : x
  2. Step 2: Convert to fraction form
    1,038,520.32/1,558,056.48 = 328,560.96/x
  3. Step 3: Cross multiply
    1,038,520.32x = 1,558,056.48 × 328,560.96
  4. Step 4: Simplify right side
    1,038,520.32x = 511,916,532,803.02
  5. Step 5: Solve for x
    x = 511,916,532,803.02/1,038,520.32
  6. Step 6: Final answer
    x = 492,928.76

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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.