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Finding the Fourth Proportional to 524,601.60, 788,457.60 and 456,172.80

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Solution

The fourth proportional to 524,601.60, 788,457.60 and 456,172.80 is: 685,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,601.60 : 788,457.60 = 456,172.80 : x
  2. Step 2: Convert to fraction form
    524,601.60/788,457.60 = 456,172.80/x
  3. Step 3: Cross multiply
    524,601.60x = 788,457.60 × 456,172.80
  4. Step 4: Simplify right side
    524,601.60x = 359,672,911,073.28
  5. Step 5: Solve for x
    x = 359,672,911,073.28/524,601.60
  6. Step 6: Final answer
    x = 685,611.54

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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.