Home / 745,804.97-1,029,217.64-451,461.45

Finding the Fourth Proportional to 745,804.97, 1,029,217.64 and 451,461.45

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Solution

The fourth proportional to 745,804.97, 1,029,217.64 and 451,461.45 is: 623,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,804.97 : 1,029,217.64 = 451,461.45 : x
  2. Step 2: Convert to fraction form
    745,804.97/1,029,217.64 = 451,461.45/x
  3. Step 3: Cross multiply
    745,804.97x = 1,029,217.64 × 451,461.45
  4. Step 4: Simplify right side
    745,804.97x = 464,652,088,119.98
  5. Step 5: Solve for x
    x = 464,652,088,119.98/745,804.97
  6. Step 6: Final answer
    x = 623,020.91

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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.