Home / 759,701.80-1,139,132-310,737.94

Finding the Fourth Proportional to 759,701.80, 1,139,132 and 310,737.94

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Solution

The fourth proportional to 759,701.80, 1,139,132 and 310,737.94 is: 465,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,701.80 : 1,139,132 = 310,737.94 : x
  2. Step 2: Convert to fraction form
    759,701.80/1,139,132 = 310,737.94/x
  3. Step 3: Cross multiply
    759,701.80x = 1,139,132 × 310,737.94
  4. Step 4: Simplify right side
    759,701.80x = 353,971,531,068.08
  5. Step 5: Solve for x
    x = 353,971,531,068.08/759,701.80
  6. Step 6: Final answer
    x = 465,934.83

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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.