Home / 910,698.20-1,366,113.60-349,732.70

Finding the Fourth Proportional to 910,698.20, 1,366,113.60 and 349,732.70

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Solution

The fourth proportional to 910,698.20, 1,366,113.60 and 349,732.70 is: 524,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,698.20 : 1,366,113.60 = 349,732.70 : x
  2. Step 2: Convert to fraction form
    910,698.20/1,366,113.60 = 349,732.70/x
  3. Step 3: Cross multiply
    910,698.20x = 1,366,113.60 × 349,732.70
  4. Step 4: Simplify right side
    910,698.20x = 477,774,597,834.72
  5. Step 5: Solve for x
    x = 477,774,597,834.72/910,698.20
  6. Step 6: Final answer
    x = 524,624.51

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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.