Home / 988,547.51-1,482,287.84-448,509.04

Finding the Fourth Proportional to 988,547.51, 1,482,287.84 and 448,509.04

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Solution

The fourth proportional to 988,547.51, 1,482,287.84 and 448,509.04 is: 672,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,547.51 : 1,482,287.84 = 448,509.04 : x
  2. Step 2: Convert to fraction form
    988,547.51/1,482,287.84 = 448,509.04/x
  3. Step 3: Cross multiply
    988,547.51x = 1,482,287.84 × 448,509.04
  4. Step 4: Simplify right side
    988,547.51x = 664,819,488,710.63
  5. Step 5: Solve for x
    x = 664,819,488,710.63/988,547.51
  6. Step 6: Final answer
    x = 672,521.53

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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.