Home / 694,630.40-1,041,899.52-315,461.12

Finding the Fourth Proportional to 694,630.40, 1,041,899.52 and 315,461.12

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Solution

The fourth proportional to 694,630.40, 1,041,899.52 and 315,461.12 is: 473,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,630.40 : 1,041,899.52 = 315,461.12 : x
  2. Step 2: Convert to fraction form
    694,630.40/1,041,899.52 = 315,461.12/x
  3. Step 3: Cross multiply
    694,630.40x = 1,041,899.52 × 315,461.12
  4. Step 4: Simplify right side
    694,630.40x = 328,678,789,506.66
  5. Step 5: Solve for x
    x = 328,678,789,506.66/694,630.40
  6. Step 6: Final answer
    x = 473,170.75

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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.