Home / 748,324.47-1,032,688.71-426,034.56

Finding the Fourth Proportional to 748,324.47, 1,032,688.71 and 426,034.56

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Solution

The fourth proportional to 748,324.47, 1,032,688.71 and 426,034.56 is: 587,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,324.47 : 1,032,688.71 = 426,034.56 : x
  2. Step 2: Convert to fraction form
    748,324.47/1,032,688.71 = 426,034.56/x
  3. Step 3: Cross multiply
    748,324.47x = 1,032,688.71 × 426,034.56
  4. Step 4: Simplify right side
    748,324.47x = 439,961,084,054.40
  5. Step 5: Solve for x
    x = 439,961,084,054.40/748,324.47
  6. Step 6: Final answer
    x = 587,928.23

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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.