Home / 947,965.98-1,421,659.81-498,442.98

Finding the Fourth Proportional to 947,965.98, 1,421,659.81 and 498,442.98

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Solution

The fourth proportional to 947,965.98, 1,421,659.81 and 498,442.98 is: 747,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,965.98 : 1,421,659.81 = 498,442.98 : x
  2. Step 2: Convert to fraction form
    947,965.98/1,421,659.81 = 498,442.98/x
  3. Step 3: Cross multiply
    947,965.98x = 1,421,659.81 × 498,442.98
  4. Step 4: Simplify right side
    947,965.98x = 708,616,355,393.17
  5. Step 5: Solve for x
    x = 708,616,355,393.17/947,965.98
  6. Step 6: Final answer
    x = 747,512.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.