Home / 971,528.40-1,457,292.60-306,680.40

Finding the Fourth Proportional to 971,528.40, 1,457,292.60 and 306,680.40

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Solution

The fourth proportional to 971,528.40, 1,457,292.60 and 306,680.40 is: 460,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,528.40 : 1,457,292.60 = 306,680.40 : x
  2. Step 2: Convert to fraction form
    971,528.40/1,457,292.60 = 306,680.40/x
  3. Step 3: Cross multiply
    971,528.40x = 1,457,292.60 × 306,680.40
  4. Step 4: Simplify right side
    971,528.40x = 446,923,077,485.04
  5. Step 5: Solve for x
    x = 446,923,077,485.04/971,528.40
  6. Step 6: Final answer
    x = 460,020.60

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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.