Home / 748,921.58-1,033,259.34-426,403.32

Finding the Fourth Proportional to 748,921.58, 1,033,259.34 and 426,403.32

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Solution

The fourth proportional to 748,921.58, 1,033,259.34 and 426,403.32 is: 588,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,921.58 : 1,033,259.34 = 426,403.32 : x
  2. Step 2: Convert to fraction form
    748,921.58/1,033,259.34 = 426,403.32/x
  3. Step 3: Cross multiply
    748,921.58x = 1,033,259.34 × 426,403.32
  4. Step 4: Simplify right side
    748,921.58x = 440,585,213,304.51
  5. Step 5: Solve for x
    x = 440,585,213,304.51/748,921.58
  6. Step 6: Final answer
    x = 588,292.86

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1.5x scale

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.