Home / 380,836.98-571,598.10-203,495.58

Finding the Fourth Proportional to 380,836.98, 571,598.10 and 203,495.58

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Solution

The fourth proportional to 380,836.98, 571,598.10 and 203,495.58 is: 305,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,836.98 : 571,598.10 = 203,495.58 : x
  2. Step 2: Convert to fraction form
    380,836.98/571,598.10 = 203,495.58/x
  3. Step 3: Cross multiply
    380,836.98x = 571,598.10 × 203,495.58
  4. Step 4: Simplify right side
    380,836.98x = 116,317,686,886.40
  5. Step 5: Solve for x
    x = 116,317,686,886.40/380,836.98
  6. Step 6: Final answer
    x = 305,426.45

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1.5x scale

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.