Home / 750,683.40-1,036,017.57-428,442.31

Finding the Fourth Proportional to 750,683.40, 1,036,017.57 and 428,442.31

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Solution

The fourth proportional to 750,683.40, 1,036,017.57 and 428,442.31 is: 591,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,683.40 : 1,036,017.57 = 428,442.31 : x
  2. Step 2: Convert to fraction form
    750,683.40/1,036,017.57 = 428,442.31/x
  3. Step 3: Cross multiply
    750,683.40x = 1,036,017.57 × 428,442.31
  4. Step 4: Simplify right side
    750,683.40x = 443,873,760,891.39
  5. Step 5: Solve for x
    x = 443,873,760,891.39/750,683.40
  6. Step 6: Final answer
    x = 591,292.90

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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.