Home / 549,004.17-757,618.30-307,286.67

Finding the Fourth Proportional to 549,004.17, 757,618.30 and 307,286.67

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Solution

The fourth proportional to 549,004.17, 757,618.30 and 307,286.67 is: 424,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,004.17 : 757,618.30 = 307,286.67 : x
  2. Step 2: Convert to fraction form
    549,004.17/757,618.30 = 307,286.67/x
  3. Step 3: Cross multiply
    549,004.17x = 757,618.30 × 307,286.67
  4. Step 4: Simplify right side
    549,004.17x = 232,806,004,538.06
  5. Step 5: Solve for x
    x = 232,806,004,538.06/549,004.17
  6. Step 6: Final answer
    x = 424,051.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.