Home / 745,282.04-1,028,156.94-503,486.84

Finding the Fourth Proportional to 745,282.04, 1,028,156.94 and 503,486.84

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Solution

The fourth proportional to 745,282.04, 1,028,156.94 and 503,486.84 is: 694,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,282.04 : 1,028,156.94 = 503,486.84 : x
  2. Step 2: Convert to fraction form
    745,282.04/1,028,156.94 = 503,486.84/x
  3. Step 3: Cross multiply
    745,282.04x = 1,028,156.94 × 503,486.84
  4. Step 4: Simplify right side
    745,282.04x = 517,663,488,744.67
  5. Step 5: Solve for x
    x = 517,663,488,744.67/745,282.04
  6. Step 6: Final answer
    x = 694,587.37

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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.