Home / 916,834.09-1,265,167.75-508,903.82

Finding the Fourth Proportional to 916,834.09, 1,265,167.75 and 508,903.82

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Solution

The fourth proportional to 916,834.09, 1,265,167.75 and 508,903.82 is: 702,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,834.09 : 1,265,167.75 = 508,903.82 : x
  2. Step 2: Convert to fraction form
    916,834.09/1,265,167.75 = 508,903.82/x
  3. Step 3: Cross multiply
    916,834.09x = 1,265,167.75 × 508,903.82
  4. Step 4: Simplify right side
    916,834.09x = 643,848,700,915.81
  5. Step 5: Solve for x
    x = 643,848,700,915.81/916,834.09
  6. Step 6: Final answer
    x = 702,252.14

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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.