Home / 750,050.64-1,035,066.12-405,886.32

Finding the Fourth Proportional to 750,050.64, 1,035,066.12 and 405,886.32

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Solution

The fourth proportional to 750,050.64, 1,035,066.12 and 405,886.32 is: 560,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,050.64 : 1,035,066.12 = 405,886.32 : x
  2. Step 2: Convert to fraction form
    750,050.64/1,035,066.12 = 405,886.32/x
  3. Step 3: Cross multiply
    750,050.64x = 1,035,066.12 × 405,886.32
  4. Step 4: Simplify right side
    750,050.64x = 420,119,178,403.48
  5. Step 5: Solve for x
    x = 420,119,178,403.48/750,050.64
  6. Step 6: Final answer
    x = 560,121.09

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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.