Home / 739,802.57-1,020,927.51-400,270.82

Finding the Fourth Proportional to 739,802.57, 1,020,927.51 and 400,270.82

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Solution

The fourth proportional to 739,802.57, 1,020,927.51 and 400,270.82 is: 552,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,802.57 : 1,020,927.51 = 400,270.82 : x
  2. Step 2: Convert to fraction form
    739,802.57/1,020,927.51 = 400,270.82/x
  3. Step 3: Cross multiply
    739,802.57x = 1,020,927.51 × 400,270.82
  4. Step 4: Simplify right side
    739,802.57x = 408,647,486,483.62
  5. Step 5: Solve for x
    x = 408,647,486,483.62/739,802.57
  6. Step 6: Final answer
    x = 552,373.71

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1.5x scale

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.