Home / 905,875.31-1,250,123.73-497,994.35

Finding the Fourth Proportional to 905,875.31, 1,250,123.73 and 497,994.35

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Solution

The fourth proportional to 905,875.31, 1,250,123.73 and 497,994.35 is: 687,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,875.31 : 1,250,123.73 = 497,994.35 : x
  2. Step 2: Convert to fraction form
    905,875.31/1,250,123.73 = 497,994.35/x
  3. Step 3: Cross multiply
    905,875.31x = 1,250,123.73 × 497,994.35
  4. Step 4: Simplify right side
    905,875.31x = 622,554,546,222.83
  5. Step 5: Solve for x
    x = 622,554,546,222.83/905,875.31
  6. Step 6: Final answer
    x = 687,240.88

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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.