Home / 825,582.80-1,139,428.79-503,479.74

Finding the Fourth Proportional to 825,582.80, 1,139,428.79 and 503,479.74

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Solution

The fourth proportional to 825,582.80, 1,139,428.79 and 503,479.74 is: 694,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,582.80 : 1,139,428.79 = 503,479.74 : x
  2. Step 2: Convert to fraction form
    825,582.80/1,139,428.79 = 503,479.74/x
  3. Step 3: Cross multiply
    825,582.80x = 1,139,428.79 × 503,479.74
  4. Step 4: Simplify right side
    825,582.80x = 573,679,308,420.32
  5. Step 5: Solve for x
    x = 573,679,308,420.32/825,582.80
  6. Step 6: Final answer
    x = 694,877.98

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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.