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Finding the Fourth Proportional to 604,829.80, 907,354.05 and 304,554.70

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Solution

The fourth proportional to 604,829.80, 907,354.05 and 304,554.70 is: 456,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,829.80 : 907,354.05 = 304,554.70 : x
  2. Step 2: Convert to fraction form
    604,829.80/907,354.05 = 304,554.70/x
  3. Step 3: Cross multiply
    604,829.80x = 907,354.05 × 304,554.70
  4. Step 4: Simplify right side
    604,829.80x = 276,338,940,491.54
  5. Step 5: Solve for x
    x = 276,338,940,491.54/604,829.80
  6. Step 6: Final answer
    x = 456,887.11

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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.