Home / 899,624.61-1,241,480.93-491,729.13

Finding the Fourth Proportional to 899,624.61, 1,241,480.93 and 491,729.13

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Solution

The fourth proportional to 899,624.61, 1,241,480.93 and 491,729.13 is: 678,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,624.61 : 1,241,480.93 = 491,729.13 : x
  2. Step 2: Convert to fraction form
    899,624.61/1,241,480.93 = 491,729.13/x
  3. Step 3: Cross multiply
    899,624.61x = 1,241,480.93 × 491,729.13
  4. Step 4: Simplify right side
    899,624.61x = 610,472,335,161.85
  5. Step 5: Solve for x
    x = 610,472,335,161.85/899,624.61
  6. Step 6: Final answer
    x = 678,585.63

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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.