Home / 971,709.40-1,457,564.10-306,861.40

Finding the Fourth Proportional to 971,709.40, 1,457,564.10 and 306,861.40

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Solution

The fourth proportional to 971,709.40, 1,457,564.10 and 306,861.40 is: 460,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,709.40 : 1,457,564.10 = 306,861.40 : x
  2. Step 2: Convert to fraction form
    971,709.40/1,457,564.10 = 306,861.40/x
  3. Step 3: Cross multiply
    971,709.40x = 1,457,564.10 × 306,861.40
  4. Step 4: Simplify right side
    971,709.40x = 447,270,160,315.74
  5. Step 5: Solve for x
    x = 447,270,160,315.74/971,709.40
  6. Step 6: Final answer
    x = 460,292.10

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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.