Home / 788,931.90-1,088,723.43-449,457.66

Finding the Fourth Proportional to 788,931.90, 1,088,723.43 and 449,457.66

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Solution

The fourth proportional to 788,931.90, 1,088,723.43 and 449,457.66 is: 620,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,931.90 : 1,088,723.43 = 449,457.66 : x
  2. Step 2: Convert to fraction form
    788,931.90/1,088,723.43 = 449,457.66/x
  3. Step 3: Cross multiply
    788,931.90x = 1,088,723.43 × 449,457.66
  4. Step 4: Simplify right side
    788,931.90x = 489,335,085,234.97
  5. Step 5: Solve for x
    x = 489,335,085,234.97/788,931.90
  6. Step 6: Final answer
    x = 620,250.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.