Home / 746,978.64-1,030,844.56-407,459.04

Finding the Fourth Proportional to 746,978.64, 1,030,844.56 and 407,459.04

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Solution

The fourth proportional to 746,978.64, 1,030,844.56 and 407,459.04 is: 562,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,978.64 : 1,030,844.56 = 407,459.04 : x
  2. Step 2: Convert to fraction form
    746,978.64/1,030,844.56 = 407,459.04/x
  3. Step 3: Cross multiply
    746,978.64x = 1,030,844.56 × 407,459.04
  4. Step 4: Simplify right side
    746,978.64x = 420,026,934,806.82
  5. Step 5: Solve for x
    x = 420,026,934,806.82/746,978.64
  6. Step 6: Final answer
    x = 562,301.13

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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.