Home / 572,013.81-789,379.18-317,364.39

Finding the Fourth Proportional to 572,013.81, 789,379.18 and 317,364.39

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Solution

The fourth proportional to 572,013.81, 789,379.18 and 317,364.39 is: 437,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,013.81 : 789,379.18 = 317,364.39 : x
  2. Step 2: Convert to fraction form
    572,013.81/789,379.18 = 317,364.39/x
  3. Step 3: Cross multiply
    572,013.81x = 789,379.18 × 317,364.39
  4. Step 4: Simplify right side
    572,013.81x = 250,520,841,145.99
  5. Step 5: Solve for x
    x = 250,520,841,145.99/572,013.81
  6. Step 6: Final answer
    x = 437,962.92

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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.