Home / 903,869.18-1,247,297.54-495,960.87

Finding the Fourth Proportional to 903,869.18, 1,247,297.54 and 495,960.87

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Solution

The fourth proportional to 903,869.18, 1,247,297.54 and 495,960.87 is: 684,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,869.18 : 1,247,297.54 = 495,960.87 : x
  2. Step 2: Convert to fraction form
    903,869.18/1,247,297.54 = 495,960.87/x
  3. Step 3: Cross multiply
    903,869.18x = 1,247,297.54 × 495,960.87
  4. Step 4: Simplify right side
    903,869.18x = 618,610,775,284.82
  5. Step 5: Solve for x
    x = 618,610,775,284.82/903,869.18
  6. Step 6: Final answer
    x = 684,403.00

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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.