Home / 646,763.36-892,560.32-360,283.36

Finding the Fourth Proportional to 646,763.36, 892,560.32 and 360,283.36

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Solution

The fourth proportional to 646,763.36, 892,560.32 and 360,283.36 is: 497,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,763.36 : 892,560.32 = 360,283.36 : x
  2. Step 2: Convert to fraction form
    646,763.36/892,560.32 = 360,283.36/x
  3. Step 3: Cross multiply
    646,763.36x = 892,560.32 × 360,283.36
  4. Step 4: Simplify right side
    646,763.36x = 321,574,631,092.28
  5. Step 5: Solve for x
    x = 321,574,631,092.28/646,763.36
  6. Step 6: Final answer
    x = 497,206.01

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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.