Home / 943,281.60-1,414,922.40-312,259.20

Finding the Fourth Proportional to 943,281.60, 1,414,922.40 and 312,259.20

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Solution

The fourth proportional to 943,281.60, 1,414,922.40 and 312,259.20 is: 468,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,281.60 : 1,414,922.40 = 312,259.20 : x
  2. Step 2: Convert to fraction form
    943,281.60/1,414,922.40 = 312,259.20/x
  3. Step 3: Cross multiply
    943,281.60x = 1,414,922.40 × 312,259.20
  4. Step 4: Simplify right side
    943,281.60x = 441,822,536,686.08
  5. Step 5: Solve for x
    x = 441,822,536,686.08/943,281.60
  6. Step 6: Final answer
    x = 468,388.80

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1.5x scale

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.