Home / 758,603.74-1,138,465.58-359,243.87

Finding the Fourth Proportional to 758,603.74, 1,138,465.58 and 359,243.87

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Solution

The fourth proportional to 758,603.74, 1,138,465.58 and 359,243.87 is: 539,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,603.74 : 1,138,465.58 = 359,243.87 : x
  2. Step 2: Convert to fraction form
    758,603.74/1,138,465.58 = 359,243.87/x
  3. Step 3: Cross multiply
    758,603.74x = 1,138,465.58 × 359,243.87
  4. Step 4: Simplify right side
    758,603.74x = 408,986,780,821.00
  5. Step 5: Solve for x
    x = 408,986,780,821.00/758,603.74
  6. Step 6: Final answer
    x = 539,130.98

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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.