Home / 646,623.94-892,368.73-360,144.10

Finding the Fourth Proportional to 646,623.94, 892,368.73 and 360,144.10

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Solution

The fourth proportional to 646,623.94, 892,368.73 and 360,144.10 is: 497,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,623.94 : 892,368.73 = 360,144.10 : x
  2. Step 2: Convert to fraction form
    646,623.94/892,368.73 = 360,144.10/x
  3. Step 3: Cross multiply
    646,623.94x = 892,368.73 × 360,144.10
  4. Step 4: Simplify right side
    646,623.94x = 321,381,333,133.99
  5. Step 5: Solve for x
    x = 321,381,333,133.99/646,623.94
  6. Step 6: Final answer
    x = 497,014.28

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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.