Home / 708,887.97-977,712.48-454,262.85

Finding the Fourth Proportional to 708,887.97, 977,712.48 and 454,262.85

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Solution

The fourth proportional to 708,887.97, 977,712.48 and 454,262.85 is: 626,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,887.97 : 977,712.48 = 454,262.85 : x
  2. Step 2: Convert to fraction form
    708,887.97/977,712.48 = 454,262.85/x
  3. Step 3: Cross multiply
    708,887.97x = 977,712.48 × 454,262.85
  4. Step 4: Simplify right side
    708,887.97x = 444,138,457,645.37
  5. Step 5: Solve for x
    x = 444,138,457,645.37/708,887.97
  6. Step 6: Final answer
    x = 626,528.42

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1.5x scale

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.