Home / 825,579.79-1,139,424.65-503,476.74

Finding the Fourth Proportional to 825,579.79, 1,139,424.65 and 503,476.74

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Solution

The fourth proportional to 825,579.79, 1,139,424.65 and 503,476.74 is: 694,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,579.79 : 1,139,424.65 = 503,476.74 : x
  2. Step 2: Convert to fraction form
    825,579.79/1,139,424.65 = 503,476.74/x
  3. Step 3: Cross multiply
    825,579.79x = 1,139,424.65 × 503,476.74
  4. Step 4: Simplify right side
    825,579.79x = 573,673,803,007.64
  5. Step 5: Solve for x
    x = 573,673,803,007.64/825,579.79
  6. Step 6: Final answer
    x = 694,873.84

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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.