Home / 646,985.46-892,827.90-360,499.44

Finding the Fourth Proportional to 646,985.46, 892,827.90 and 360,499.44

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Solution

The fourth proportional to 646,985.46, 892,827.90 and 360,499.44 is: 497,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,985.46 : 892,827.90 = 360,499.44 : x
  2. Step 2: Convert to fraction form
    646,985.46/892,827.90 = 360,499.44/x
  3. Step 3: Cross multiply
    646,985.46x = 892,827.90 × 360,499.44
  4. Step 4: Simplify right side
    646,985.46x = 321,863,957,966.38
  5. Step 5: Solve for x
    x = 321,863,957,966.38/646,985.46
  6. Step 6: Final answer
    x = 497,482.52

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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.