Home / 852,702.53-1,176,658.77-485,081.83

Finding the Fourth Proportional to 852,702.53, 1,176,658.77 and 485,081.83

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Solution

The fourth proportional to 852,702.53, 1,176,658.77 and 485,081.83 is: 669,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,702.53 : 1,176,658.77 = 485,081.83 : x
  2. Step 2: Convert to fraction form
    852,702.53/1,176,658.77 = 485,081.83/x
  3. Step 3: Cross multiply
    852,702.53x = 1,176,658.77 × 485,081.83
  4. Step 4: Simplify right side
    852,702.53x = 570,775,792,727.03
  5. Step 5: Solve for x
    x = 570,775,792,727.03/852,702.53
  6. Step 6: Final answer
    x = 669,372.70

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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.