Home / 899,270.32-1,349,570.72-425,956.76

Finding the Fourth Proportional to 899,270.32, 1,349,570.72 and 425,956.76

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Solution

The fourth proportional to 899,270.32, 1,349,570.72 and 425,956.76 is: 639,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,270.32 : 1,349,570.72 = 425,956.76 : x
  2. Step 2: Convert to fraction form
    899,270.32/1,349,570.72 = 425,956.76/x
  3. Step 3: Cross multiply
    899,270.32x = 1,349,570.72 × 425,956.76
  4. Step 4: Simplify right side
    899,270.32x = 574,858,771,282.07
  5. Step 5: Solve for x
    x = 574,858,771,282.07/899,270.32
  6. Step 6: Final answer
    x = 639,250.24

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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.