Home / 840,546.60-1,159,948.78-477,970.49

Finding the Fourth Proportional to 840,546.60, 1,159,948.78 and 477,970.49

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Solution

The fourth proportional to 840,546.60, 1,159,948.78 and 477,970.49 is: 659,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,546.60 : 1,159,948.78 = 477,970.49 : x
  2. Step 2: Convert to fraction form
    840,546.60/1,159,948.78 = 477,970.49/x
  3. Step 3: Cross multiply
    840,546.60x = 1,159,948.78 × 477,970.49
  4. Step 4: Simplify right side
    840,546.60x = 554,421,279,756.83
  5. Step 5: Solve for x
    x = 554,421,279,756.83/840,546.60
  6. Step 6: Final answer
    x = 659,596.12

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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.