Home / 646,656.64-892,386.41-374,882.08

Finding the Fourth Proportional to 646,656.64, 892,386.41 and 374,882.08

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Solution

The fourth proportional to 646,656.64, 892,386.41 and 374,882.08 is: 517,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,656.64 : 892,386.41 = 374,882.08 : x
  2. Step 2: Convert to fraction form
    646,656.64/892,386.41 = 374,882.08/x
  3. Step 3: Cross multiply
    646,656.64x = 892,386.41 × 374,882.08
  4. Step 4: Simplify right side
    646,656.64x = 334,539,670,911.82
  5. Step 5: Solve for x
    x = 334,539,670,911.82/646,656.64
  6. Step 6: Final answer
    x = 517,337.41

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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.