Home / 866,749.86-1,196,108.30-484,776.64

Finding the Fourth Proportional to 866,749.86, 1,196,108.30 and 484,776.64

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Solution

The fourth proportional to 866,749.86, 1,196,108.30 and 484,776.64 is: 668,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,749.86 : 1,196,108.30 = 484,776.64 : x
  2. Step 2: Convert to fraction form
    866,749.86/1,196,108.30 = 484,776.64/x
  3. Step 3: Cross multiply
    866,749.86x = 1,196,108.30 × 484,776.64
  4. Step 4: Simplify right side
    866,749.86x = 579,845,365,457.19
  5. Step 5: Solve for x
    x = 579,845,365,457.19/866,749.86
  6. Step 6: Final answer
    x = 668,988.13

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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.