Home / 916,834.95-1,374,940.95-317,656.26

Finding the Fourth Proportional to 916,834.95, 1,374,940.95 and 317,656.26

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Solution

The fourth proportional to 916,834.95, 1,374,940.95 and 317,656.26 is: 476,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,834.95 : 1,374,940.95 = 317,656.26 : x
  2. Step 2: Convert to fraction form
    916,834.95/1,374,940.95 = 317,656.26/x
  3. Step 3: Cross multiply
    916,834.95x = 1,374,940.95 × 317,656.26
  4. Step 4: Simplify right side
    916,834.95x = 436,758,599,897.85
  5. Step 5: Solve for x
    x = 436,758,599,897.85/916,834.95
  6. Step 6: Final answer
    x = 476,376.47

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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.