Home / 903,905.97-1,247,386.80-496,014.63

Finding the Fourth Proportional to 903,905.97, 1,247,386.80 and 496,014.63

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Solution

The fourth proportional to 903,905.97, 1,247,386.80 and 496,014.63 is: 684,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,905.97 : 1,247,386.80 = 496,014.63 : x
  2. Step 2: Convert to fraction form
    903,905.97/1,247,386.80 = 496,014.63/x
  3. Step 3: Cross multiply
    903,905.97x = 1,247,386.80 × 496,014.63
  4. Step 4: Simplify right side
    903,905.97x = 618,722,102,068.88
  5. Step 5: Solve for x
    x = 618,722,102,068.88/903,905.97
  6. Step 6: Final answer
    x = 684,498.30

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Double scale
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1.5x scale

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.