Home / 938,004.80-1,406,679.15-488,576.30

Finding the Fourth Proportional to 938,004.80, 1,406,679.15 and 488,576.30

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Solution

The fourth proportional to 938,004.80, 1,406,679.15 and 488,576.30 is: 732,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,004.80 : 1,406,679.15 = 488,576.30 : x
  2. Step 2: Convert to fraction form
    938,004.80/1,406,679.15 = 488,576.30/x
  3. Step 3: Cross multiply
    938,004.80x = 1,406,679.15 × 488,576.30
  4. Step 4: Simplify right side
    938,004.80x = 687,270,094,394.15
  5. Step 5: Solve for x
    x = 687,270,094,394.15/938,004.80
  6. Step 6: Final answer
    x = 732,693.58

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1.5x scale

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.