Home / 943,320.80-1,414,981.20-470,928.80

Finding the Fourth Proportional to 943,320.80, 1,414,981.20 and 470,928.80

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Solution

The fourth proportional to 943,320.80, 1,414,981.20 and 470,928.80 is: 706,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,320.80 : 1,414,981.20 = 470,928.80 : x
  2. Step 2: Convert to fraction form
    943,320.80/1,414,981.20 = 470,928.80/x
  3. Step 3: Cross multiply
    943,320.80x = 1,414,981.20 × 470,928.80
  4. Step 4: Simplify right side
    943,320.80x = 666,355,398,538.56
  5. Step 5: Solve for x
    x = 666,355,398,538.56/943,320.80
  6. Step 6: Final answer
    x = 706,393.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.