Home / 971,577.60-1,457,366.40-306,729.60

Finding the Fourth Proportional to 971,577.60, 1,457,366.40 and 306,729.60

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Solution

The fourth proportional to 971,577.60, 1,457,366.40 and 306,729.60 is: 460,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,577.60 : 1,457,366.40 = 306,729.60 : x
  2. Step 2: Convert to fraction form
    971,577.60/1,457,366.40 = 306,729.60/x
  3. Step 3: Cross multiply
    971,577.60x = 1,457,366.40 × 306,729.60
  4. Step 4: Simplify right side
    971,577.60x = 447,017,412,925.44
  5. Step 5: Solve for x
    x = 447,017,412,925.44/971,577.60
  6. Step 6: Final answer
    x = 460,094.40

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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.