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Finding the Fourth Proportional to 713,036.92, 983,897.40 and 426,452.44

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Solution

The fourth proportional to 713,036.92, 983,897.40 and 426,452.44 is: 588,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,036.92 : 983,897.40 = 426,452.44 : x
  2. Step 2: Convert to fraction form
    713,036.92/983,897.40 = 426,452.44/x
  3. Step 3: Cross multiply
    713,036.92x = 983,897.40 × 426,452.44
  4. Step 4: Simplify right side
    713,036.92x = 419,585,446,939.66
  5. Step 5: Solve for x
    x = 419,585,446,939.66/713,036.92
  6. Step 6: Final answer
    x = 588,448.42

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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.