Home / 851,534.02-1,276,988.37-282,811.96

Finding the Fourth Proportional to 851,534.02, 1,276,988.37 and 282,811.96

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Solution

The fourth proportional to 851,534.02, 1,276,988.37 and 282,811.96 is: 424,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,534.02 : 1,276,988.37 = 282,811.96 : x
  2. Step 2: Convert to fraction form
    851,534.02/1,276,988.37 = 282,811.96/x
  3. Step 3: Cross multiply
    851,534.02x = 1,276,988.37 × 282,811.96
  4. Step 4: Simplify right side
    851,534.02x = 361,147,583,816.91
  5. Step 5: Solve for x
    x = 361,147,583,816.91/851,534.02
  6. Step 6: Final answer
    x = 424,114.10

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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.