Home / 315,733.40-471,296.87-275,874.92

Finding the Fourth Proportional to 315,733.40, 471,296.87 and 275,874.92

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Solution

The fourth proportional to 315,733.40, 471,296.87 and 275,874.92 is: 411,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,733.40 : 471,296.87 = 275,874.92 : x
  2. Step 2: Convert to fraction form
    315,733.40/471,296.87 = 275,874.92/x
  3. Step 3: Cross multiply
    315,733.40x = 471,296.87 × 275,874.92
  4. Step 4: Simplify right side
    315,733.40x = 130,018,986,307.50
  5. Step 5: Solve for x
    x = 130,018,986,307.50/315,733.40
  6. Step 6: Final answer
    x = 411,799.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.