Home / 549,527.47-757,969.20-386,529.67

Finding the Fourth Proportional to 549,527.47, 757,969.20 and 386,529.67

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Solution

The fourth proportional to 549,527.47, 757,969.20 and 386,529.67 is: 533,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,527.47 : 757,969.20 = 386,529.67 : x
  2. Step 2: Convert to fraction form
    549,527.47/757,969.20 = 386,529.67/x
  3. Step 3: Cross multiply
    549,527.47x = 757,969.20 × 386,529.67
  4. Step 4: Simplify right side
    549,527.47x = 292,977,584,746.16
  5. Step 5: Solve for x
    x = 292,977,584,746.16/549,527.47
  6. Step 6: Final answer
    x = 533,144.57

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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.