Home / 679,572.18-937,789.65-373,648.95

Finding the Fourth Proportional to 679,572.18, 937,789.65 and 373,648.95

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Solution

The fourth proportional to 679,572.18, 937,789.65 and 373,648.95 is: 515,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,572.18 : 937,789.65 = 373,648.95 : x
  2. Step 2: Convert to fraction form
    679,572.18/937,789.65 = 373,648.95/x
  3. Step 3: Cross multiply
    679,572.18x = 937,789.65 × 373,648.95
  4. Step 4: Simplify right side
    679,572.18x = 350,404,118,043.37
  5. Step 5: Solve for x
    x = 350,404,118,043.37/679,572.18
  6. Step 6: Final answer
    x = 515,624.58

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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.