Home / 646,535.21-892,154.70-360,081.95

Finding the Fourth Proportional to 646,535.21, 892,154.70 and 360,081.95

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Solution

The fourth proportional to 646,535.21, 892,154.70 and 360,081.95 is: 496,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,535.21 : 892,154.70 = 360,081.95 : x
  2. Step 2: Convert to fraction form
    646,535.21/892,154.70 = 360,081.95/x
  3. Step 3: Cross multiply
    646,535.21x = 892,154.70 × 360,081.95
  4. Step 4: Simplify right side
    646,535.21x = 321,248,799,616.89
  5. Step 5: Solve for x
    x = 321,248,799,616.89/646,535.21
  6. Step 6: Final answer
    x = 496,877.51

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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.