Home / 847,378.67-1,271,068.00-248,339.93

Finding the Fourth Proportional to 847,378.67, 1,271,068.00 and 248,339.93

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Solution

The fourth proportional to 847,378.67, 1,271,068.00 and 248,339.93 is: 372,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,378.67 : 1,271,068.00 = 248,339.93 : x
  2. Step 2: Convert to fraction form
    847,378.67/1,271,068.00 = 248,339.93/x
  3. Step 3: Cross multiply
    847,378.67x = 1,271,068.00 × 248,339.93
  4. Step 4: Simplify right side
    847,378.67x = 315,656,931,169.05
  5. Step 5: Solve for x
    x = 315,656,931,169.05/847,378.67
  6. Step 6: Final answer
    x = 372,509.89

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Double scale
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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.