Home / 745,912.49-1,029,360.42-423,622.40

Finding the Fourth Proportional to 745,912.49, 1,029,360.42 and 423,622.40

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Solution

The fourth proportional to 745,912.49, 1,029,360.42 and 423,622.40 is: 584,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,912.49 : 1,029,360.42 = 423,622.40 : x
  2. Step 2: Convert to fraction form
    745,912.49/1,029,360.42 = 423,622.40/x
  3. Step 3: Cross multiply
    745,912.49x = 1,029,360.42 × 423,622.40
  4. Step 4: Simplify right side
    745,912.49x = 436,060,126,438.61
  5. Step 5: Solve for x
    x = 436,060,126,438.61/745,912.49
  6. Step 6: Final answer
    x = 584,599.58

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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.