Home / 762,823.80-1,143,506.70-282,923.10

Finding the Fourth Proportional to 762,823.80, 1,143,506.70 and 282,923.10

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Solution

The fourth proportional to 762,823.80, 1,143,506.70 and 282,923.10 is: 424,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,823.80 : 1,143,506.70 = 282,923.10 : x
  2. Step 2: Convert to fraction form
    762,823.80/1,143,506.70 = 282,923.10/x
  3. Step 3: Cross multiply
    762,823.80x = 1,143,506.70 × 282,923.10
  4. Step 4: Simplify right side
    762,823.80x = 323,524,460,434.77
  5. Step 5: Solve for x
    x = 323,524,460,434.77/762,823.80
  6. Step 6: Final answer
    x = 424,114.27

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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.