Home / 745,913.49-1,029,361.80-423,623.40

Finding the Fourth Proportional to 745,913.49, 1,029,361.80 and 423,623.40

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Solution

The fourth proportional to 745,913.49, 1,029,361.80 and 423,623.40 is: 584,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,913.49 : 1,029,361.80 = 423,623.40 : x
  2. Step 2: Convert to fraction form
    745,913.49/1,029,361.80 = 423,623.40/x
  3. Step 3: Cross multiply
    745,913.49x = 1,029,361.80 × 423,623.40
  4. Step 4: Simplify right side
    745,913.49x = 436,061,745,546.12
  5. Step 5: Solve for x
    x = 436,061,745,546.12/745,913.49
  6. Step 6: Final answer
    x = 584,600.96

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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.