Home / 909,265.73-1,362,127.12-553,397.09

Finding the Fourth Proportional to 909,265.73, 1,362,127.12 and 553,397.09

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Solution

The fourth proportional to 909,265.73, 1,362,127.12 and 553,397.09 is: 829,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,265.73 : 1,362,127.12 = 553,397.09 : x
  2. Step 2: Convert to fraction form
    909,265.73/1,362,127.12 = 553,397.09/x
  3. Step 3: Cross multiply
    909,265.73x = 1,362,127.12 × 553,397.09
  4. Step 4: Simplify right side
    909,265.73x = 753,797,176,223.95
  5. Step 5: Solve for x
    x = 753,797,176,223.95/909,265.73
  6. Step 6: Final answer
    x = 829,017.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.