Home / 646,566.95-892,290.08-360,087.05

Finding the Fourth Proportional to 646,566.95, 892,290.08 and 360,087.05

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Solution

The fourth proportional to 646,566.95, 892,290.08 and 360,087.05 is: 496,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,566.95 : 892,290.08 = 360,087.05 : x
  2. Step 2: Convert to fraction form
    646,566.95/892,290.08 = 360,087.05/x
  3. Step 3: Cross multiply
    646,566.95x = 892,290.08 × 360,087.05
  4. Step 4: Simplify right side
    646,566.95x = 321,302,102,651.46
  5. Step 5: Solve for x
    x = 321,302,102,651.46/646,566.95
  6. Step 6: Final answer
    x = 496,935.55

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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.