Home / 813,332.98-1,212,728.05-790,987.25

Finding the Fourth Proportional to 813,332.98, 1,212,728.05 and 790,987.25

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Solution

The fourth proportional to 813,332.98, 1,212,728.05 and 790,987.25 is: 1,179,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,332.98 : 1,212,728.05 = 790,987.25 : x
  2. Step 2: Convert to fraction form
    813,332.98/1,212,728.05 = 790,987.25/x
  3. Step 3: Cross multiply
    813,332.98x = 1,212,728.05 × 790,987.25
  4. Step 4: Simplify right side
    813,332.98x = 959,252,421,312.43
  5. Step 5: Solve for x
    x = 959,252,421,312.43/813,332.98
  6. Step 6: Final answer
    x = 1,179,409.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.