Home / 784,225.08-1,176,339.24-215,613.72

Finding the Fourth Proportional to 784,225.08, 1,176,339.24 and 215,613.72

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Solution

The fourth proportional to 784,225.08, 1,176,339.24 and 215,613.72 is: 323,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,225.08 : 1,176,339.24 = 215,613.72 : x
  2. Step 2: Convert to fraction form
    784,225.08/1,176,339.24 = 215,613.72/x
  3. Step 3: Cross multiply
    784,225.08x = 1,176,339.24 × 215,613.72
  4. Step 4: Simplify right side
    784,225.08x = 253,634,879,518.37
  5. Step 5: Solve for x
    x = 253,634,879,518.37/784,225.08
  6. Step 6: Final answer
    x = 323,421.03

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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.