Home / 807,533.60-1,211,300.40-790,944.80

Finding the Fourth Proportional to 807,533.60, 1,211,300.40 and 790,944.80

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Solution

The fourth proportional to 807,533.60, 1,211,300.40 and 790,944.80 is: 1,186,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,533.60 : 1,211,300.40 = 790,944.80 : x
  2. Step 2: Convert to fraction form
    807,533.60/1,211,300.40 = 790,944.80/x
  3. Step 3: Cross multiply
    807,533.60x = 1,211,300.40 × 790,944.80
  4. Step 4: Simplify right side
    807,533.60x = 958,071,752,617.92
  5. Step 5: Solve for x
    x = 958,071,752,617.92/807,533.60
  6. Step 6: Final answer
    x = 1,186,417.20

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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.