Home / 963,929.60-1,445,635.20-290,009.60

Finding the Fourth Proportional to 963,929.60, 1,445,635.20 and 290,009.60

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Solution

The fourth proportional to 963,929.60, 1,445,635.20 and 290,009.60 is: 434,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,929.60 : 1,445,635.20 = 290,009.60 : x
  2. Step 2: Convert to fraction form
    963,929.60/1,445,635.20 = 290,009.60/x
  3. Step 3: Cross multiply
    963,929.60x = 1,445,635.20 × 290,009.60
  4. Step 4: Simplify right side
    963,929.60x = 419,248,086,097.92
  5. Step 5: Solve for x
    x = 419,248,086,097.92/963,929.60
  6. Step 6: Final answer
    x = 434,936.42

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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.