Home / 847,989.59-1,170,270.48-480,538.05

Finding the Fourth Proportional to 847,989.59, 1,170,270.48 and 480,538.05

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Solution

The fourth proportional to 847,989.59, 1,170,270.48 and 480,538.05 is: 663,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,989.59 : 1,170,270.48 = 480,538.05 : x
  2. Step 2: Convert to fraction form
    847,989.59/1,170,270.48 = 480,538.05/x
  3. Step 3: Cross multiply
    847,989.59x = 1,170,270.48 × 480,538.05
  4. Step 4: Simplify right side
    847,989.59x = 562,359,494,431.76
  5. Step 5: Solve for x
    x = 562,359,494,431.76/847,989.59
  6. Step 6: Final answer
    x = 663,167.92

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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.