Home / 913,167.23-1,260,062.81-505,215.19

Finding the Fourth Proportional to 913,167.23, 1,260,062.81 and 505,215.19

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Solution

The fourth proportional to 913,167.23, 1,260,062.81 and 505,215.19 is: 697,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,167.23 : 1,260,062.81 = 505,215.19 : x
  2. Step 2: Convert to fraction form
    913,167.23/1,260,062.81 = 505,215.19/x
  3. Step 3: Cross multiply
    913,167.23x = 1,260,062.81 × 505,215.19
  4. Step 4: Simplify right side
    913,167.23x = 636,602,865,665.77
  5. Step 5: Solve for x
    x = 636,602,865,665.77/913,167.23
  6. Step 6: Final answer
    x = 697,137.22

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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.