Home / 591,087.40-885,318.90-486,111.40

Finding the Fourth Proportional to 591,087.40, 885,318.90 and 486,111.40

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Solution

The fourth proportional to 591,087.40, 885,318.90 and 486,111.40 is: 728,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,087.40 : 885,318.90 = 486,111.40 : x
  2. Step 2: Convert to fraction form
    591,087.40/885,318.90 = 486,111.40/x
  3. Step 3: Cross multiply
    591,087.40x = 885,318.90 × 486,111.40
  4. Step 4: Simplify right side
    591,087.40x = 430,363,609,925.46
  5. Step 5: Solve for x
    x = 430,363,609,925.46/591,087.40
  6. Step 6: Final answer
    x = 728,087.94

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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.