Home / 448,045.35-672,068.03-418,302.15

Finding the Fourth Proportional to 448,045.35, 672,068.03 and 418,302.15

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Solution

The fourth proportional to 448,045.35, 672,068.03 and 418,302.15 is: 627,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,045.35 : 672,068.03 = 418,302.15 : x
  2. Step 2: Convert to fraction form
    448,045.35/672,068.03 = 418,302.15/x
  3. Step 3: Cross multiply
    448,045.35x = 672,068.03 × 418,302.15
  4. Step 4: Simplify right side
    448,045.35x = 281,127,499,803.75
  5. Step 5: Solve for x
    x = 281,127,499,803.75/448,045.35
  6. Step 6: Final answer
    x = 627,453.23

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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.