Home / 646,744.87-892,535.54-360,265.15

Finding the Fourth Proportional to 646,744.87, 892,535.54 and 360,265.15

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Solution

The fourth proportional to 646,744.87, 892,535.54 and 360,265.15 is: 497,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,744.87 : 892,535.54 = 360,265.15 : x
  2. Step 2: Convert to fraction form
    646,744.87/892,535.54 = 360,265.15/x
  3. Step 3: Cross multiply
    646,744.87x = 892,535.54 × 360,265.15
  4. Step 4: Simplify right side
    646,744.87x = 321,549,448,397.11
  5. Step 5: Solve for x
    x = 321,549,448,397.11/646,744.87
  6. Step 6: Final answer
    x = 497,181.29

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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.