Home / 783,470.30-1,175,310.08-310,045.01

Finding the Fourth Proportional to 783,470.30, 1,175,310.08 and 310,045.01

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Solution

The fourth proportional to 783,470.30, 1,175,310.08 and 310,045.01 is: 465,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,470.30 : 1,175,310.08 = 310,045.01 : x
  2. Step 2: Convert to fraction form
    783,470.30/1,175,310.08 = 310,045.01/x
  3. Step 3: Cross multiply
    783,470.30x = 1,175,310.08 × 310,045.01
  4. Step 4: Simplify right side
    783,470.30x = 364,399,023,956.48
  5. Step 5: Solve for x
    x = 364,399,023,956.48/783,470.30
  6. Step 6: Final answer
    x = 465,108.92

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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.