Home / 775,605.34-1,070,078.07-632,118.70

Finding the Fourth Proportional to 775,605.34, 1,070,078.07 and 632,118.70

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Solution

The fourth proportional to 775,605.34, 1,070,078.07 and 632,118.70 is: 872,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,605.34 : 1,070,078.07 = 632,118.70 : x
  2. Step 2: Convert to fraction form
    775,605.34/1,070,078.07 = 632,118.70/x
  3. Step 3: Cross multiply
    775,605.34x = 1,070,078.07 × 632,118.70
  4. Step 4: Simplify right side
    775,605.34x = 676,416,358,506.91
  5. Step 5: Solve for x
    x = 676,416,358,506.91/775,605.34
  6. Step 6: Final answer
    x = 872,114.11

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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.