Home / 790,926.66-1,186,445.32-317,612

Finding the Fourth Proportional to 790,926.66, 1,186,445.32 and 317,612

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Solution

The fourth proportional to 790,926.66, 1,186,445.32 and 317,612 is: 476,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,926.66 : 1,186,445.32 = 317,612 : x
  2. Step 2: Convert to fraction form
    790,926.66/1,186,445.32 = 317,612/x
  3. Step 3: Cross multiply
    790,926.66x = 1,186,445.32 × 317,612
  4. Step 4: Simplify right side
    790,926.66x = 376,829,270,975.84
  5. Step 5: Solve for x
    x = 376,829,270,975.84/790,926.66
  6. Step 6: Final answer
    x = 476,440.22

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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.