Home / 756,130.10-1,134,195.15-282,790.40

Finding the Fourth Proportional to 756,130.10, 1,134,195.15 and 282,790.40

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Solution

The fourth proportional to 756,130.10, 1,134,195.15 and 282,790.40 is: 424,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,130.10 : 1,134,195.15 = 282,790.40 : x
  2. Step 2: Convert to fraction form
    756,130.10/1,134,195.15 = 282,790.40/x
  3. Step 3: Cross multiply
    756,130.10x = 1,134,195.15 × 282,790.40
  4. Step 4: Simplify right side
    756,130.10x = 320,739,500,146.56
  5. Step 5: Solve for x
    x = 320,739,500,146.56/756,130.10
  6. Step 6: Final answer
    x = 424,185.60

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Double scale
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Similar ratio
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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.