Home / 646,726.60-970,089.90-544,083.40

Finding the Fourth Proportional to 646,726.60, 970,089.90 and 544,083.40

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Solution

The fourth proportional to 646,726.60, 970,089.90 and 544,083.40 is: 816,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,726.60 : 970,089.90 = 544,083.40 : x
  2. Step 2: Convert to fraction form
    646,726.60/970,089.90 = 544,083.40/x
  3. Step 3: Cross multiply
    646,726.60x = 970,089.90 × 544,083.40
  4. Step 4: Simplify right side
    646,726.60x = 527,809,811,097.66
  5. Step 5: Solve for x
    x = 527,809,811,097.66/646,726.60
  6. Step 6: Final answer
    x = 816,125.10

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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.