Home / 915,727.32-1,373,787.53-308,575.62

Finding the Fourth Proportional to 915,727.32, 1,373,787.53 and 308,575.62

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Solution

The fourth proportional to 915,727.32, 1,373,787.53 and 308,575.62 is: 462,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,727.32 : 1,373,787.53 = 308,575.62 : x
  2. Step 2: Convert to fraction form
    915,727.32/1,373,787.53 = 308,575.62/x
  3. Step 3: Cross multiply
    915,727.32x = 1,373,787.53 × 308,575.62
  4. Step 4: Simplify right side
    915,727.32x = 423,917,338,818.02
  5. Step 5: Solve for x
    x = 423,917,338,818.02/915,727.32
  6. Step 6: Final answer
    x = 462,929.66

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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.