Home / 530,284.94-731,808.49-288,582.83

Finding the Fourth Proportional to 530,284.94, 731,808.49 and 288,582.83

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Solution

The fourth proportional to 530,284.94, 731,808.49 and 288,582.83 is: 398,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,284.94 : 731,808.49 = 288,582.83 : x
  2. Step 2: Convert to fraction form
    530,284.94/731,808.49 = 288,582.83/x
  3. Step 3: Cross multiply
    530,284.94x = 731,808.49 × 288,582.83
  4. Step 4: Simplify right side
    530,284.94x = 211,187,368,083.53
  5. Step 5: Solve for x
    x = 211,187,368,083.53/530,284.94
  6. Step 6: Final answer
    x = 398,252.62

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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.