Home / 787,810.08-1,087,164-448,271.04

Finding the Fourth Proportional to 787,810.08, 1,087,164 and 448,271.04

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Solution

The fourth proportional to 787,810.08, 1,087,164 and 448,271.04 is: 618,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,810.08 : 1,087,164 = 448,271.04 : x
  2. Step 2: Convert to fraction form
    787,810.08/1,087,164 = 448,271.04/x
  3. Step 3: Cross multiply
    787,810.08x = 1,087,164 × 448,271.04
  4. Step 4: Simplify right side
    787,810.08x = 487,344,136,930.56
  5. Step 5: Solve for x
    x = 487,344,136,930.56/787,810.08
  6. Step 6: Final answer
    x = 618,606.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.