Home / 847,130.38-1,169,048.12-465,165.36

Finding the Fourth Proportional to 847,130.38, 1,169,048.12 and 465,165.36

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Solution

The fourth proportional to 847,130.38, 1,169,048.12 and 465,165.36 is: 641,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,130.38 : 1,169,048.12 = 465,165.36 : x
  2. Step 2: Convert to fraction form
    847,130.38/1,169,048.12 = 465,165.36/x
  3. Step 3: Cross multiply
    847,130.38x = 1,169,048.12 × 465,165.36
  4. Step 4: Simplify right side
    847,130.38x = 543,800,689,597.12
  5. Step 5: Solve for x
    x = 543,800,689,597.12/847,130.38
  6. Step 6: Final answer
    x = 641,932.70

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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.