Home / 748,782.15-1,034,171.72-503,340.74

Finding the Fourth Proportional to 748,782.15, 1,034,171.72 and 503,340.74

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Solution

The fourth proportional to 748,782.15, 1,034,171.72 and 503,340.74 is: 695,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,782.15 : 1,034,171.72 = 503,340.74 : x
  2. Step 2: Convert to fraction form
    748,782.15/1,034,171.72 = 503,340.74/x
  3. Step 3: Cross multiply
    748,782.15x = 1,034,171.72 × 503,340.74
  4. Step 4: Simplify right side
    748,782.15x = 520,540,751,144.31
  5. Step 5: Solve for x
    x = 520,540,751,144.31/748,782.15
  6. Step 6: Final answer
    x = 695,183.17

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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.