Home / 676,388.48-931,913.16-446,536.40

Finding the Fourth Proportional to 676,388.48, 931,913.16 and 446,536.40

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Solution

The fourth proportional to 676,388.48, 931,913.16 and 446,536.40 is: 615,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,388.48 : 931,913.16 = 446,536.40 : x
  2. Step 2: Convert to fraction form
    676,388.48/931,913.16 = 446,536.40/x
  3. Step 3: Cross multiply
    676,388.48x = 931,913.16 × 446,536.40
  4. Step 4: Simplify right side
    676,388.48x = 416,133,147,579.02
  5. Step 5: Solve for x
    x = 416,133,147,579.02/676,388.48
  6. Step 6: Final answer
    x = 615,228.02

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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.