Home / 877,446.96-1,316,170.80-316,481.40

Finding the Fourth Proportional to 877,446.96, 1,316,170.80 and 316,481.40

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Solution

The fourth proportional to 877,446.96, 1,316,170.80 and 316,481.40 is: 474,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,446.96 : 1,316,170.80 = 316,481.40 : x
  2. Step 2: Convert to fraction form
    877,446.96/1,316,170.80 = 316,481.40/x
  3. Step 3: Cross multiply
    877,446.96x = 1,316,170.80 × 316,481.40
  4. Step 4: Simplify right side
    877,446.96x = 416,543,577,423.12
  5. Step 5: Solve for x
    x = 416,543,577,423.12/877,446.96
  6. Step 6: Final answer
    x = 474,722.23

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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.