Home / 389,260.40-583,890.60-357,767.60

Finding the Fourth Proportional to 389,260.40, 583,890.60 and 357,767.60

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Solution

The fourth proportional to 389,260.40, 583,890.60 and 357,767.60 is: 536,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,260.40 : 583,890.60 = 357,767.60 : x
  2. Step 2: Convert to fraction form
    389,260.40/583,890.60 = 357,767.60/x
  3. Step 3: Cross multiply
    389,260.40x = 583,890.60 × 357,767.60
  4. Step 4: Simplify right side
    389,260.40x = 208,897,138,624.56
  5. Step 5: Solve for x
    x = 208,897,138,624.56/389,260.40
  6. Step 6: Final answer
    x = 536,651.40

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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.