Home / 756,053.20-1,134,554.46-306,775.90

Finding the Fourth Proportional to 756,053.20, 1,134,554.46 and 306,775.90

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Solution

The fourth proportional to 756,053.20, 1,134,554.46 and 306,775.90 is: 460,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,053.20 : 1,134,554.46 = 306,775.90 : x
  2. Step 2: Convert to fraction form
    756,053.20/1,134,554.46 = 306,775.90/x
  3. Step 3: Cross multiply
    756,053.20x = 1,134,554.46 × 306,775.90
  4. Step 4: Simplify right side
    756,053.20x = 348,053,965,565.51
  5. Step 5: Solve for x
    x = 348,053,965,565.51/756,053.20
  6. Step 6: Final answer
    x = 460,356.45

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Double scale
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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.