Home / 939,062.93-1,408,618.65-255,955.40

Finding the Fourth Proportional to 939,062.93, 1,408,618.65 and 255,955.40

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Solution

The fourth proportional to 939,062.93, 1,408,618.65 and 255,955.40 is: 383,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,062.93 : 1,408,618.65 = 255,955.40 : x
  2. Step 2: Convert to fraction form
    939,062.93/1,408,618.65 = 255,955.40/x
  3. Step 3: Cross multiply
    939,062.93x = 1,408,618.65 × 255,955.40
  4. Step 4: Simplify right side
    939,062.93x = 360,543,550,008.21
  5. Step 5: Solve for x
    x = 360,543,550,008.21/939,062.93
  6. Step 6: Final answer
    x = 383,939.71

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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.