Home / 448,036.03-672,054.05-260,916.31

Finding the Fourth Proportional to 448,036.03, 672,054.05 and 260,916.31

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Solution

The fourth proportional to 448,036.03, 672,054.05 and 260,916.31 is: 391,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,036.03 : 672,054.05 = 260,916.31 : x
  2. Step 2: Convert to fraction form
    448,036.03/672,054.05 = 260,916.31/x
  3. Step 3: Cross multiply
    448,036.03x = 672,054.05 × 260,916.31
  4. Step 4: Simplify right side
    448,036.03x = 175,349,862,846.56
  5. Step 5: Solve for x
    x = 175,349,862,846.56/448,036.03
  6. Step 6: Final answer
    x = 391,374.47

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Similar ratio
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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.