Home / 859,976.55-1,186,781.85-472,808.34

Finding the Fourth Proportional to 859,976.55, 1,186,781.85 and 472,808.34

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Solution

The fourth proportional to 859,976.55, 1,186,781.85 and 472,808.34 is: 652,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,976.55 : 1,186,781.85 = 472,808.34 : x
  2. Step 2: Convert to fraction form
    859,976.55/1,186,781.85 = 472,808.34/x
  3. Step 3: Cross multiply
    859,976.55x = 1,186,781.85 × 472,808.34
  4. Step 4: Simplify right side
    859,976.55x = 561,120,356,440.63
  5. Step 5: Solve for x
    x = 561,120,356,440.63/859,976.55
  6. Step 6: Final answer
    x = 652,483.32

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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.