Home / 807,834.40-1,210,439.40-694,985.20

Finding the Fourth Proportional to 807,834.40, 1,210,439.40 and 694,985.20

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Solution

The fourth proportional to 807,834.40, 1,210,439.40 and 694,985.20 is: 1,041,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,834.40 : 1,210,439.40 = 694,985.20 : x
  2. Step 2: Convert to fraction form
    807,834.40/1,210,439.40 = 694,985.20/x
  3. Step 3: Cross multiply
    807,834.40x = 1,210,439.40 × 694,985.20
  4. Step 4: Simplify right side
    807,834.40x = 841,237,468,496.88
  5. Step 5: Solve for x
    x = 841,237,468,496.88/807,834.40
  6. Step 6: Final answer
    x = 1,041,348.91

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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.