Home / 883,308.56-1,218,966.01-480,900.56

Finding the Fourth Proportional to 883,308.56, 1,218,966.01 and 480,900.56

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Solution

The fourth proportional to 883,308.56, 1,218,966.01 and 480,900.56 is: 663,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,308.56 : 1,218,966.01 = 480,900.56 : x
  2. Step 2: Convert to fraction form
    883,308.56/1,218,966.01 = 480,900.56/x
  3. Step 3: Cross multiply
    883,308.56x = 1,218,966.01 × 480,900.56
  4. Step 4: Simplify right side
    883,308.56x = 586,201,429,532.88
  5. Step 5: Solve for x
    x = 586,201,429,532.88/883,308.56
  6. Step 6: Final answer
    x = 663,642.88

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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.