Home / 929,700.12-1,395,297.57-480,552.72

Finding the Fourth Proportional to 929,700.12, 1,395,297.57 and 480,552.72

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Solution

The fourth proportional to 929,700.12, 1,395,297.57 and 480,552.72 is: 721,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,700.12 : 1,395,297.57 = 480,552.72 : x
  2. Step 2: Convert to fraction form
    929,700.12/1,395,297.57 = 480,552.72/x
  3. Step 3: Cross multiply
    929,700.12x = 1,395,297.57 × 480,552.72
  4. Step 4: Simplify right side
    929,700.12x = 670,514,042,472.89
  5. Step 5: Solve for x
    x = 670,514,042,472.89/929,700.12
  6. Step 6: Final answer
    x = 721,215.40

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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.