Home / 883,972.80-1,326,056.40-323,128.80

Finding the Fourth Proportional to 883,972.80, 1,326,056.40 and 323,128.80

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Solution

The fourth proportional to 883,972.80, 1,326,056.40 and 323,128.80 is: 484,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,972.80 : 1,326,056.40 = 323,128.80 : x
  2. Step 2: Convert to fraction form
    883,972.80/1,326,056.40 = 323,128.80/x
  3. Step 3: Cross multiply
    883,972.80x = 1,326,056.40 × 323,128.80
  4. Step 4: Simplify right side
    883,972.80x = 428,487,013,264.32
  5. Step 5: Solve for x
    x = 428,487,013,264.32/883,972.80
  6. Step 6: Final answer
    x = 484,728.73

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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.