Home / 424,918.52-586,429.92-317,301.72

Finding the Fourth Proportional to 424,918.52, 586,429.92 and 317,301.72

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Solution

The fourth proportional to 424,918.52, 586,429.92 and 317,301.72 is: 437,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,918.52 : 586,429.92 = 317,301.72 : x
  2. Step 2: Convert to fraction form
    424,918.52/586,429.92 = 317,301.72/x
  3. Step 3: Cross multiply
    424,918.52x = 586,429.92 × 317,301.72
  4. Step 4: Simplify right side
    424,918.52x = 186,075,222,672.09
  5. Step 5: Solve for x
    x = 186,075,222,672.09/424,918.52
  6. Step 6: Final answer
    x = 437,908.01

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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.