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Finding the Fourth Proportional to 528,530.40, 792,795.60 and 484,984.80

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Solution

The fourth proportional to 528,530.40, 792,795.60 and 484,984.80 is: 727,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,530.40 : 792,795.60 = 484,984.80 : x
  2. Step 2: Convert to fraction form
    528,530.40/792,795.60 = 484,984.80/x
  3. Step 3: Cross multiply
    528,530.40x = 792,795.60 × 484,984.80
  4. Step 4: Simplify right side
    528,530.40x = 384,493,815,506.88
  5. Step 5: Solve for x
    x = 384,493,815,506.88/528,530.40
  6. Step 6: Final answer
    x = 727,477.20

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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.