Home / 785,506.12-1,177,160.88-424,898.57

Finding the Fourth Proportional to 785,506.12, 1,177,160.88 and 424,898.57

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Solution

The fourth proportional to 785,506.12, 1,177,160.88 and 424,898.57 is: 636,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,506.12 : 1,177,160.88 = 424,898.57 : x
  2. Step 2: Convert to fraction form
    785,506.12/1,177,160.88 = 424,898.57/x
  3. Step 3: Cross multiply
    785,506.12x = 1,177,160.88 × 424,898.57
  4. Step 4: Simplify right side
    785,506.12x = 500,173,974,571.94
  5. Step 5: Solve for x
    x = 500,173,974,571.94/785,506.12
  6. Step 6: Final answer
    x = 636,753.76

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1.5x scale

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.