Home / 971,712.60-1,457,568.90-297,788.55

Finding the Fourth Proportional to 971,712.60, 1,457,568.90 and 297,788.55

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Solution

The fourth proportional to 971,712.60, 1,457,568.90 and 297,788.55 is: 446,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,712.60 : 1,457,568.90 = 297,788.55 : x
  2. Step 2: Convert to fraction form
    971,712.60/1,457,568.90 = 297,788.55/x
  3. Step 3: Cross multiply
    971,712.60x = 1,457,568.90 × 297,788.55
  4. Step 4: Simplify right side
    971,712.60x = 434,047,329,256.10
  5. Step 5: Solve for x
    x = 434,047,329,256.10/971,712.60
  6. Step 6: Final answer
    x = 446,682.83

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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.