Home / 665,362.45-917,244.14-474,043.69

Finding the Fourth Proportional to 665,362.45, 917,244.14 and 474,043.69

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Solution

The fourth proportional to 665,362.45, 917,244.14 and 474,043.69 is: 653,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,362.45 : 917,244.14 = 474,043.69 : x
  2. Step 2: Convert to fraction form
    665,362.45/917,244.14 = 474,043.69/x
  3. Step 3: Cross multiply
    665,362.45x = 917,244.14 × 474,043.69
  4. Step 4: Simplify right side
    665,362.45x = 434,813,795,532.81
  5. Step 5: Solve for x
    x = 434,813,795,532.81/665,362.45
  6. Step 6: Final answer
    x = 653,499.15

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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.