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Finding the Fourth Proportional to 586,599.93, 809,507.91 and 318,327.93

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Solution

The fourth proportional to 586,599.93, 809,507.91 and 318,327.93 is: 439,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,599.93 : 809,507.91 = 318,327.93 : x
  2. Step 2: Convert to fraction form
    586,599.93/809,507.91 = 318,327.93/x
  3. Step 3: Cross multiply
    586,599.93x = 809,507.91 × 318,327.93
  4. Step 4: Simplify right side
    586,599.93x = 257,688,977,308.93
  5. Step 5: Solve for x
    x = 257,688,977,308.93/586,599.93
  6. Step 6: Final answer
    x = 439,292.55

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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.