Home / 750,261.80-1,035,078.66-492,281.16

Finding the Fourth Proportional to 750,261.80, 1,035,078.66 and 492,281.16

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Solution

The fourth proportional to 750,261.80, 1,035,078.66 and 492,281.16 is: 679,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,261.80 : 1,035,078.66 = 492,281.16 : x
  2. Step 2: Convert to fraction form
    750,261.80/1,035,078.66 = 492,281.16/x
  3. Step 3: Cross multiply
    750,261.80x = 1,035,078.66 × 492,281.16
  4. Step 4: Simplify right side
    750,261.80x = 509,549,723,436.05
  5. Step 5: Solve for x
    x = 509,549,723,436.05/750,261.80
  6. Step 6: Final answer
    x = 679,162.56

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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.