Home / 739,152.63-1,020,033-399,623.31

Finding the Fourth Proportional to 739,152.63, 1,020,033 and 399,623.31

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Solution

The fourth proportional to 739,152.63, 1,020,033 and 399,623.31 is: 551,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,152.63 : 1,020,033 = 399,623.31 : x
  2. Step 2: Convert to fraction form
    739,152.63/1,020,033 = 399,623.31/x
  3. Step 3: Cross multiply
    739,152.63x = 1,020,033 × 399,623.31
  4. Step 4: Simplify right side
    739,152.63x = 407,628,963,769.23
  5. Step 5: Solve for x
    x = 407,628,963,769.23/739,152.63
  6. Step 6: Final answer
    x = 551,481.45

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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.