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Finding the Fourth Proportional to 843,389.84, 1,163,763.20 and 503,786

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Solution

The fourth proportional to 843,389.84, 1,163,763.20 and 503,786 is: 695,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,389.84 : 1,163,763.20 = 503,786 : x
  2. Step 2: Convert to fraction form
    843,389.84/1,163,763.20 = 503,786/x
  3. Step 3: Cross multiply
    843,389.84x = 1,163,763.20 × 503,786
  4. Step 4: Simplify right side
    843,389.84x = 586,287,607,475.20
  5. Step 5: Solve for x
    x = 586,287,607,475.20/843,389.84
  6. Step 6: Final answer
    x = 695,156.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.