Home / 646,520.16-892,206.56-360,047.46

Finding the Fourth Proportional to 646,520.16, 892,206.56 and 360,047.46

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Solution

The fourth proportional to 646,520.16, 892,206.56 and 360,047.46 is: 496,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,520.16 : 892,206.56 = 360,047.46 : x
  2. Step 2: Convert to fraction form
    646,520.16/892,206.56 = 360,047.46/x
  3. Step 3: Cross multiply
    646,520.16x = 892,206.56 × 360,047.46
  4. Step 4: Simplify right side
    646,520.16x = 321,236,705,723.34
  5. Step 5: Solve for x
    x = 321,236,705,723.34/646,520.16
  6. Step 6: Final answer
    x = 496,870.36

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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.