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Finding the Fourth Proportional to 525,617.40, 737,730.60 and 525,617.40

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Solution

The fourth proportional to 525,617.40, 737,730.60 and 525,617.40 is: 737,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,617.40 : 737,730.60 = 525,617.40 : x
  2. Step 2: Convert to fraction form
    525,617.40/737,730.60 = 525,617.40/x
  3. Step 3: Cross multiply
    525,617.40x = 737,730.60 × 525,617.40
  4. Step 4: Simplify right side
    525,617.40x = 387,764,039,872.44
  5. Step 5: Solve for x
    x = 387,764,039,872.44/525,617.40
  6. Step 6: Final answer
    x = 737,730.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.