Home / 970,215.21-1,455,524.42-409,254.57

Finding the Fourth Proportional to 970,215.21, 1,455,524.42 and 409,254.57

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Solution

The fourth proportional to 970,215.21, 1,455,524.42 and 409,254.57 is: 613,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,215.21 : 1,455,524.42 = 409,254.57 : x
  2. Step 2: Convert to fraction form
    970,215.21/1,455,524.42 = 409,254.57/x
  3. Step 3: Cross multiply
    970,215.21x = 1,455,524.42 × 409,254.57
  4. Step 4: Simplify right side
    970,215.21x = 595,680,018,585.33
  5. Step 5: Solve for x
    x = 595,680,018,585.33/970,215.21
  6. Step 6: Final answer
    x = 613,966.89

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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.