Home / 713,637.52-1,070,554.20-414,258.64

Finding the Fourth Proportional to 713,637.52, 1,070,554.20 and 414,258.64

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Solution

The fourth proportional to 713,637.52, 1,070,554.20 and 414,258.64 is: 621,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,637.52 : 1,070,554.20 = 414,258.64 : x
  2. Step 2: Convert to fraction form
    713,637.52/1,070,554.20 = 414,258.64/x
  3. Step 3: Cross multiply
    713,637.52x = 1,070,554.20 × 414,258.64
  4. Step 4: Simplify right side
    713,637.52x = 443,486,326,938.29
  5. Step 5: Solve for x
    x = 443,486,326,938.29/713,637.52
  6. Step 6: Final answer
    x = 621,444.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.