Home / 646,746.62-892,537.95-360,266.90

Finding the Fourth Proportional to 646,746.62, 892,537.95 and 360,266.90

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Solution

The fourth proportional to 646,746.62, 892,537.95 and 360,266.90 is: 497,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,746.62 : 892,537.95 = 360,266.90 : x
  2. Step 2: Convert to fraction form
    646,746.62/892,537.95 = 360,266.90/x
  3. Step 3: Cross multiply
    646,746.62x = 892,537.95 × 360,266.90
  4. Step 4: Simplify right side
    646,746.62x = 321,551,880,378.86
  5. Step 5: Solve for x
    x = 321,551,880,378.86/646,746.62
  6. Step 6: Final answer
    x = 497,183.70

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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.