Home / 784,037.70-1,175,023.18-310,464.72

Finding the Fourth Proportional to 784,037.70, 1,175,023.18 and 310,464.72

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Solution

The fourth proportional to 784,037.70, 1,175,023.18 and 310,464.72 is: 465,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,037.70 : 1,175,023.18 = 310,464.72 : x
  2. Step 2: Convert to fraction form
    784,037.70/1,175,023.18 = 310,464.72/x
  3. Step 3: Cross multiply
    784,037.70x = 1,175,023.18 × 310,464.72
  4. Step 4: Simplify right side
    784,037.70x = 364,803,242,572.21
  5. Step 5: Solve for x
    x = 364,803,242,572.21/784,037.70
  6. Step 6: Final answer
    x = 465,287.88

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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.