Home / 916,830.04-1,374,933.64-317,651.35

Finding the Fourth Proportional to 916,830.04, 1,374,933.64 and 317,651.35

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Solution

The fourth proportional to 916,830.04, 1,374,933.64 and 317,651.35 is: 476,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,830.04 : 1,374,933.64 = 317,651.35 : x
  2. Step 2: Convert to fraction form
    916,830.04/1,374,933.64 = 317,651.35/x
  3. Step 3: Cross multiply
    916,830.04x = 1,374,933.64 × 317,651.35
  4. Step 4: Simplify right side
    916,830.04x = 436,749,521,981.55
  5. Step 5: Solve for x
    x = 436,749,521,981.55/916,830.04
  6. Step 6: Final answer
    x = 476,369.12

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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.