Home / 873,931.08-1,206,047.70-491,971.80

Finding the Fourth Proportional to 873,931.08, 1,206,047.70 and 491,971.80

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Solution

The fourth proportional to 873,931.08, 1,206,047.70 and 491,971.80 is: 678,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,931.08 : 1,206,047.70 = 491,971.80 : x
  2. Step 2: Convert to fraction form
    873,931.08/1,206,047.70 = 491,971.80/x
  3. Step 3: Cross multiply
    873,931.08x = 1,206,047.70 × 491,971.80
  4. Step 4: Simplify right side
    873,931.08x = 593,341,457,854.86
  5. Step 5: Solve for x
    x = 593,341,457,854.86/873,931.08
  6. Step 6: Final answer
    x = 678,933.92

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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.