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Finding the Fourth Proportional to 525,701.70, 788,552.55 and 300,975.30

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Solution

The fourth proportional to 525,701.70, 788,552.55 and 300,975.30 is: 451,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,701.70 : 788,552.55 = 300,975.30 : x
  2. Step 2: Convert to fraction form
    525,701.70/788,552.55 = 300,975.30/x
  3. Step 3: Cross multiply
    525,701.70x = 788,552.55 × 300,975.30
  4. Step 4: Simplify right side
    525,701.70x = 237,334,840,302.02
  5. Step 5: Solve for x
    x = 237,334,840,302.02/525,701.70
  6. Step 6: Final answer
    x = 451,462.95

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Similar ratio
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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.