Home / 908,050.32-1,253,117.88-500,153.64

Finding the Fourth Proportional to 908,050.32, 1,253,117.88 and 500,153.64

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Solution

The fourth proportional to 908,050.32, 1,253,117.88 and 500,153.64 is: 690,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,050.32 : 1,253,117.88 = 500,153.64 : x
  2. Step 2: Convert to fraction form
    908,050.32/1,253,117.88 = 500,153.64/x
  3. Step 3: Cross multiply
    908,050.32x = 1,253,117.88 × 500,153.64
  4. Step 4: Simplify right side
    908,050.32x = 626,751,469,031.08
  5. Step 5: Solve for x
    x = 626,751,469,031.08/908,050.32
  6. Step 6: Final answer
    x = 690,216.67

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Double scale
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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.