Home / 834,429.64-1,151,703.48-490,306

Finding the Fourth Proportional to 834,429.64, 1,151,703.48 and 490,306

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Solution

The fourth proportional to 834,429.64, 1,151,703.48 and 490,306 is: 676,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,429.64 : 1,151,703.48 = 490,306 : x
  2. Step 2: Convert to fraction form
    834,429.64/1,151,703.48 = 490,306/x
  3. Step 3: Cross multiply
    834,429.64x = 1,151,703.48 × 490,306
  4. Step 4: Simplify right side
    834,429.64x = 564,687,126,464.88
  5. Step 5: Solve for x
    x = 564,687,126,464.88/834,429.64
  6. Step 6: Final answer
    x = 676,734.26

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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.