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Finding the Fourth Proportional to 581,696.80, 872,545.20 and 345,767.20

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Solution

The fourth proportional to 581,696.80, 872,545.20 and 345,767.20 is: 518,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,696.80 : 872,545.20 = 345,767.20 : x
  2. Step 2: Convert to fraction form
    581,696.80/872,545.20 = 345,767.20/x
  3. Step 3: Cross multiply
    581,696.80x = 872,545.20 × 345,767.20
  4. Step 4: Simplify right side
    581,696.80x = 301,697,510,677.44
  5. Step 5: Solve for x
    x = 301,697,510,677.44/581,696.80
  6. Step 6: Final answer
    x = 518,650.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.