Home / 947,785.59-1,421,751.83-316,701.63

Finding the Fourth Proportional to 947,785.59, 1,421,751.83 and 316,701.63

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Solution

The fourth proportional to 947,785.59, 1,421,751.83 and 316,701.63 is: 475,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,785.59 : 1,421,751.83 = 316,701.63 : x
  2. Step 2: Convert to fraction form
    947,785.59/1,421,751.83 = 316,701.63/x
  3. Step 3: Cross multiply
    947,785.59x = 1,421,751.83 × 316,701.63
  4. Step 4: Simplify right side
    947,785.59x = 450,271,120,432.98
  5. Step 5: Solve for x
    x = 450,271,120,432.98/947,785.59
  6. Step 6: Final answer
    x = 475,076.98

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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.