Home / 810,689.01-1,118,731.15-448,103.54

Finding the Fourth Proportional to 810,689.01, 1,118,731.15 and 448,103.54

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Solution

The fourth proportional to 810,689.01, 1,118,731.15 and 448,103.54 is: 618,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,689.01 : 1,118,731.15 = 448,103.54 : x
  2. Step 2: Convert to fraction form
    810,689.01/1,118,731.15 = 448,103.54/x
  3. Step 3: Cross multiply
    810,689.01x = 1,118,731.15 × 448,103.54
  4. Step 4: Simplify right side
    810,689.01x = 501,307,389,459.65
  5. Step 5: Solve for x
    x = 501,307,389,459.65/810,689.01
  6. Step 6: Final answer
    x = 618,372.01

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1.5x scale

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.