Home / 971,330.40-1,456,995.60-306,482.40

Finding the Fourth Proportional to 971,330.40, 1,456,995.60 and 306,482.40

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Solution

The fourth proportional to 971,330.40, 1,456,995.60 and 306,482.40 is: 459,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,330.40 : 1,456,995.60 = 306,482.40 : x
  2. Step 2: Convert to fraction form
    971,330.40/1,456,995.60 = 306,482.40/x
  3. Step 3: Cross multiply
    971,330.40x = 1,456,995.60 × 306,482.40
  4. Step 4: Simplify right side
    971,330.40x = 446,543,508,277.44
  5. Step 5: Solve for x
    x = 446,543,508,277.44/971,330.40
  6. Step 6: Final answer
    x = 459,723.60

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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.