Home / 899,276.32-1,349,579.72-425,962.76

Finding the Fourth Proportional to 899,276.32, 1,349,579.72 and 425,962.76

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Solution

The fourth proportional to 899,276.32, 1,349,579.72 and 425,962.76 is: 639,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,276.32 : 1,349,579.72 = 425,962.76 : x
  2. Step 2: Convert to fraction form
    899,276.32/1,349,579.72 = 425,962.76/x
  3. Step 3: Cross multiply
    899,276.32x = 1,349,579.72 × 425,962.76
  4. Step 4: Simplify right side
    899,276.32x = 574,870,702,371.23
  5. Step 5: Solve for x
    x = 574,870,702,371.23/899,276.32
  6. Step 6: Final answer
    x = 639,259.25

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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.