Home / 788,574.09-1,088,231.16-449,042.34

Finding the Fourth Proportional to 788,574.09, 1,088,231.16 and 449,042.34

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Solution

The fourth proportional to 788,574.09, 1,088,231.16 and 449,042.34 is: 619,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,574.09 : 1,088,231.16 = 449,042.34 : x
  2. Step 2: Convert to fraction form
    788,574.09/1,088,231.16 = 449,042.34/x
  3. Step 3: Cross multiply
    788,574.09x = 1,088,231.16 × 449,042.34
  4. Step 4: Simplify right side
    788,574.09x = 488,661,866,547.31
  5. Step 5: Solve for x
    x = 488,661,866,547.31/788,574.09
  6. Step 6: Final answer
    x = 619,677.81

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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.