Home / 790,925.65-1,186,443.81-317,611

Finding the Fourth Proportional to 790,925.65, 1,186,443.81 and 317,611

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Solution

The fourth proportional to 790,925.65, 1,186,443.81 and 317,611 is: 476,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,925.65 : 1,186,443.81 = 317,611 : x
  2. Step 2: Convert to fraction form
    790,925.65/1,186,443.81 = 317,611/x
  3. Step 3: Cross multiply
    790,925.65x = 1,186,443.81 × 317,611
  4. Step 4: Simplify right side
    790,925.65x = 376,827,604,937.91
  5. Step 5: Solve for x
    x = 376,827,604,937.91/790,925.65
  6. Step 6: Final answer
    x = 476,438.72

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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.