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Finding the Fourth Proportional to 580,605.90, 869,742.45 and 403,313.10

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Solution

The fourth proportional to 580,605.90, 869,742.45 and 403,313.10 is: 604,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,605.90 : 869,742.45 = 403,313.10 : x
  2. Step 2: Convert to fraction form
    580,605.90/869,742.45 = 403,313.10/x
  3. Step 3: Cross multiply
    580,605.90x = 869,742.45 × 403,313.10
  4. Step 4: Simplify right side
    580,605.90x = 350,778,523,711.10
  5. Step 5: Solve for x
    x = 350,778,523,711.10/580,605.90
  6. Step 6: Final answer
    x = 604,159.42

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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.