Home / 971,335.20-1,457,002.80-380,359.20

Finding the Fourth Proportional to 971,335.20, 1,457,002.80 and 380,359.20

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Solution

The fourth proportional to 971,335.20, 1,457,002.80 and 380,359.20 is: 570,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,335.20 : 1,457,002.80 = 380,359.20 : x
  2. Step 2: Convert to fraction form
    971,335.20/1,457,002.80 = 380,359.20/x
  3. Step 3: Cross multiply
    971,335.20x = 1,457,002.80 × 380,359.20
  4. Step 4: Simplify right side
    971,335.20x = 554,184,419,405.76
  5. Step 5: Solve for x
    x = 554,184,419,405.76/971,335.20
  6. Step 6: Final answer
    x = 570,538.80

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Similar ratio
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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.