Home / 763,230.32-1,053,205.04-423,671.84

Finding the Fourth Proportional to 763,230.32, 1,053,205.04 and 423,671.84

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Solution

The fourth proportional to 763,230.32, 1,053,205.04 and 423,671.84 is: 584,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,230.32 : 1,053,205.04 = 423,671.84 : x
  2. Step 2: Convert to fraction form
    763,230.32/1,053,205.04 = 423,671.84/x
  3. Step 3: Cross multiply
    763,230.32x = 1,053,205.04 × 423,671.84
  4. Step 4: Simplify right side
    763,230.32x = 446,213,317,194.07
  5. Step 5: Solve for x
    x = 446,213,317,194.07/763,230.32
  6. Step 6: Final answer
    x = 584,637.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.