Home / 810,677.46-1,118,675.70-448,080.96

Finding the Fourth Proportional to 810,677.46, 1,118,675.70 and 448,080.96

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Solution

The fourth proportional to 810,677.46, 1,118,675.70 and 448,080.96 is: 618,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,677.46 : 1,118,675.70 = 448,080.96 : x
  2. Step 2: Convert to fraction form
    810,677.46/1,118,675.70 = 448,080.96/x
  3. Step 3: Cross multiply
    810,677.46x = 1,118,675.70 × 448,080.96
  4. Step 4: Simplify right side
    810,677.46x = 501,257,281,584.67
  5. Step 5: Solve for x
    x = 501,257,281,584.67/810,677.46
  6. Step 6: Final answer
    x = 618,319.01

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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.