Home / 674,939.20-1,012,419.60-176,303.20

Finding the Fourth Proportional to 674,939.20, 1,012,419.60 and 176,303.20

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Solution

The fourth proportional to 674,939.20, 1,012,419.60 and 176,303.20 is: 264,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,939.20 : 1,012,419.60 = 176,303.20 : x
  2. Step 2: Convert to fraction form
    674,939.20/1,012,419.60 = 176,303.20/x
  3. Step 3: Cross multiply
    674,939.20x = 1,012,419.60 × 176,303.20
  4. Step 4: Simplify right side
    674,939.20x = 178,492,815,222.72
  5. Step 5: Solve for x
    x = 178,492,815,222.72/674,939.20
  6. Step 6: Final answer
    x = 264,457.62

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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.