Home / 903,904.34-1,247,384.54-496,013

Finding the Fourth Proportional to 903,904.34, 1,247,384.54 and 496,013

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Solution

The fourth proportional to 903,904.34, 1,247,384.54 and 496,013 is: 684,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,904.34 : 1,247,384.54 = 496,013 : x
  2. Step 2: Convert to fraction form
    903,904.34/1,247,384.54 = 496,013/x
  3. Step 3: Cross multiply
    903,904.34x = 1,247,384.54 × 496,013
  4. Step 4: Simplify right side
    903,904.34x = 618,718,947,839.02
  5. Step 5: Solve for x
    x = 618,718,947,839.02/903,904.34
  6. Step 6: Final answer
    x = 684,496.05

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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.