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Finding the Fourth Proportional to 586,656.24, 809,585.40 and 318,384.24

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Solution

The fourth proportional to 586,656.24, 809,585.40 and 318,384.24 is: 439,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,656.24 : 809,585.40 = 318,384.24 : x
  2. Step 2: Convert to fraction form
    586,656.24/809,585.40 = 318,384.24/x
  3. Step 3: Cross multiply
    586,656.24x = 809,585.40 × 318,384.24
  4. Step 4: Simplify right side
    586,656.24x = 257,759,232,294.10
  5. Step 5: Solve for x
    x = 257,759,232,294.10/586,656.24
  6. Step 6: Final answer
    x = 439,370.14

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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.