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Finding the Fourth Proportional to 517,302.52, 713,870.60 and 290,948.02

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Solution

The fourth proportional to 517,302.52, 713,870.60 and 290,948.02 is: 401,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,302.52 : 713,870.60 = 290,948.02 : x
  2. Step 2: Convert to fraction form
    517,302.52/713,870.60 = 290,948.02/x
  3. Step 3: Cross multiply
    517,302.52x = 713,870.60 × 290,948.02
  4. Step 4: Simplify right side
    517,302.52x = 207,699,237,606.21
  5. Step 5: Solve for x
    x = 207,699,237,606.21/517,302.52
  6. Step 6: Final answer
    x = 401,504.40

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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.