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Finding the Fourth Proportional to 452,646.32, 624,662.40 and 248,709.98

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Solution

The fourth proportional to 452,646.32, 624,662.40 and 248,709.98 is: 343,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,646.32 : 624,662.40 = 248,709.98 : x
  2. Step 2: Convert to fraction form
    452,646.32/624,662.40 = 248,709.98/x
  3. Step 3: Cross multiply
    452,646.32x = 624,662.40 × 248,709.98
  4. Step 4: Simplify right side
    452,646.32x = 155,359,773,010.75
  5. Step 5: Solve for x
    x = 155,359,773,010.75/452,646.32
  6. Step 6: Final answer
    x = 343,225.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.