Home / 739,765.32-1,020,872.16-417,580.17

Finding the Fourth Proportional to 739,765.32, 1,020,872.16 and 417,580.17

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Solution

The fourth proportional to 739,765.32, 1,020,872.16 and 417,580.17 is: 576,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,765.32 : 1,020,872.16 = 417,580.17 : x
  2. Step 2: Convert to fraction form
    739,765.32/1,020,872.16 = 417,580.17/x
  3. Step 3: Cross multiply
    739,765.32x = 1,020,872.16 × 417,580.17
  4. Step 4: Simplify right side
    739,765.32x = 426,295,970,121.07
  5. Step 5: Solve for x
    x = 426,295,970,121.07/739,765.32
  6. Step 6: Final answer
    x = 576,258.39

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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.