Home / 971,720.10-1,457,580.15-306,872.10

Finding the Fourth Proportional to 971,720.10, 1,457,580.15 and 306,872.10

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Solution

The fourth proportional to 971,720.10, 1,457,580.15 and 306,872.10 is: 460,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,720.10 : 1,457,580.15 = 306,872.10 : x
  2. Step 2: Convert to fraction form
    971,720.10/1,457,580.15 = 306,872.10/x
  3. Step 3: Cross multiply
    971,720.10x = 1,457,580.15 × 306,872.10
  4. Step 4: Simplify right side
    971,720.10x = 447,290,681,548.82
  5. Step 5: Solve for x
    x = 447,290,681,548.82/971,720.10
  6. Step 6: Final answer
    x = 460,308.15

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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.