Home / 913,333.73-1,260,402.98-505,463.69

Finding the Fourth Proportional to 913,333.73, 1,260,402.98 and 505,463.69

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Solution

The fourth proportional to 913,333.73, 1,260,402.98 and 505,463.69 is: 697,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,333.73 : 1,260,402.98 = 505,463.69 : x
  2. Step 2: Convert to fraction form
    913,333.73/1,260,402.98 = 505,463.69/x
  3. Step 3: Cross multiply
    913,333.73x = 1,260,402.98 × 505,463.69
  4. Step 4: Simplify right side
    913,333.73x = 637,087,944,624.72
  5. Step 5: Solve for x
    x = 637,087,944,624.72/913,333.73
  6. Step 6: Final answer
    x = 697,541.25

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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.