Home / 766,458.98-1,057,746.03-426,927.14

Finding the Fourth Proportional to 766,458.98, 1,057,746.03 and 426,927.14

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Solution

The fourth proportional to 766,458.98, 1,057,746.03 and 426,927.14 is: 589,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,458.98 : 1,057,746.03 = 426,927.14 : x
  2. Step 2: Convert to fraction form
    766,458.98/1,057,746.03 = 426,927.14/x
  3. Step 3: Cross multiply
    766,458.98x = 1,057,746.03 × 426,927.14
  4. Step 4: Simplify right side
    766,458.98x = 451,580,487,434.25
  5. Step 5: Solve for x
    x = 451,580,487,434.25/766,458.98
  6. Step 6: Final answer
    x = 589,177.63

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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.