Home / 971,489.60-1,457,234.40-340,337.60

Finding the Fourth Proportional to 971,489.60, 1,457,234.40 and 340,337.60

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Solution

The fourth proportional to 971,489.60, 1,457,234.40 and 340,337.60 is: 510,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,489.60 : 1,457,234.40 = 340,337.60 : x
  2. Step 2: Convert to fraction form
    971,489.60/1,457,234.40 = 340,337.60/x
  3. Step 3: Cross multiply
    971,489.60x = 1,457,234.40 × 340,337.60
  4. Step 4: Simplify right side
    971,489.60x = 495,951,658,333.44
  5. Step 5: Solve for x
    x = 495,951,658,333.44/971,489.60
  6. Step 6: Final answer
    x = 510,506.40

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Double scale
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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.