Home / 706,710.29-1,057,390.38-418,676.58

Finding the Fourth Proportional to 706,710.29, 1,057,390.38 and 418,676.58

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Solution

The fourth proportional to 706,710.29, 1,057,390.38 and 418,676.58 is: 626,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,710.29 : 1,057,390.38 = 418,676.58 : x
  2. Step 2: Convert to fraction form
    706,710.29/1,057,390.38 = 418,676.58/x
  3. Step 3: Cross multiply
    706,710.29x = 1,057,390.38 × 418,676.58
  4. Step 4: Simplify right side
    706,710.29x = 442,704,586,845.77
  5. Step 5: Solve for x
    x = 442,704,586,845.77/706,710.29
  6. Step 6: Final answer
    x = 626,430.08

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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.