Home / 874,520.37-1,311,780.57-500,280.93

Finding the Fourth Proportional to 874,520.37, 1,311,780.57 and 500,280.93

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Solution

The fourth proportional to 874,520.37, 1,311,780.57 and 500,280.93 is: 750,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,520.37 : 1,311,780.57 = 500,280.93 : x
  2. Step 2: Convert to fraction form
    874,520.37/1,311,780.57 = 500,280.93/x
  3. Step 3: Cross multiply
    874,520.37x = 1,311,780.57 × 500,280.93
  4. Step 4: Simplify right side
    874,520.37x = 656,258,803,515.53
  5. Step 5: Solve for x
    x = 656,258,803,515.53/874,520.37
  6. Step 6: Final answer
    x = 750,421.40

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Similar ratio
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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.