Home / 839,053.98-1,258,763.22-306,574.20

Finding the Fourth Proportional to 839,053.98, 1,258,763.22 and 306,574.20

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Solution

The fourth proportional to 839,053.98, 1,258,763.22 and 306,574.20 is: 459,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,053.98 : 1,258,763.22 = 306,574.20 : x
  2. Step 2: Convert to fraction form
    839,053.98/1,258,763.22 = 306,574.20/x
  3. Step 3: Cross multiply
    839,053.98x = 1,258,763.22 × 306,574.20
  4. Step 4: Simplify right side
    839,053.98x = 385,904,327,160.92
  5. Step 5: Solve for x
    x = 385,904,327,160.92/839,053.98
  6. Step 6: Final answer
    x = 459,927.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.