Home / 558,014.20-837,021.30-488,030.20

Finding the Fourth Proportional to 558,014.20, 837,021.30 and 488,030.20

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Solution

The fourth proportional to 558,014.20, 837,021.30 and 488,030.20 is: 732,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,014.20 : 837,021.30 = 488,030.20 : x
  2. Step 2: Convert to fraction form
    558,014.20/837,021.30 = 488,030.20/x
  3. Step 3: Cross multiply
    558,014.20x = 837,021.30 × 488,030.20
  4. Step 4: Simplify right side
    558,014.20x = 408,491,672,443.26
  5. Step 5: Solve for x
    x = 408,491,672,443.26/558,014.20
  6. Step 6: Final answer
    x = 732,045.30

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Double scale
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Similar ratio
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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.