Home / 930,339.77-1,395,257.63-256,260.76

Finding the Fourth Proportional to 930,339.77, 1,395,257.63 and 256,260.76

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Solution

The fourth proportional to 930,339.77, 1,395,257.63 and 256,260.76 is: 384,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,339.77 : 1,395,257.63 = 256,260.76 : x
  2. Step 2: Convert to fraction form
    930,339.77/1,395,257.63 = 256,260.76/x
  3. Step 3: Cross multiply
    930,339.77x = 1,395,257.63 × 256,260.76
  4. Step 4: Simplify right side
    930,339.77x = 357,549,777,812.11
  5. Step 5: Solve for x
    x = 357,549,777,812.11/930,339.77
  6. Step 6: Final answer
    x = 384,321.72

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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.