Home / 646,941.06-892,782.32-375,170.31

Finding the Fourth Proportional to 646,941.06, 892,782.32 and 375,170.31

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Solution

The fourth proportional to 646,941.06, 892,782.32 and 375,170.31 is: 517,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,941.06 : 892,782.32 = 375,170.31 : x
  2. Step 2: Convert to fraction form
    646,941.06/892,782.32 = 375,170.31/x
  3. Step 3: Cross multiply
    646,941.06x = 892,782.32 × 375,170.31
  4. Step 4: Simplify right side
    646,941.06x = 334,945,417,881.07
  5. Step 5: Solve for x
    x = 334,945,417,881.07/646,941.06
  6. Step 6: Final answer
    x = 517,737.15

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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.