Home / 691,718.58-954,577.20-385,784.82

Finding the Fourth Proportional to 691,718.58, 954,577.20 and 385,784.82

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Solution

The fourth proportional to 691,718.58, 954,577.20 and 385,784.82 is: 532,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,718.58 : 954,577.20 = 385,784.82 : x
  2. Step 2: Convert to fraction form
    691,718.58/954,577.20 = 385,784.82/x
  3. Step 3: Cross multiply
    691,718.58x = 954,577.20 × 385,784.82
  4. Step 4: Simplify right side
    691,718.58x = 368,261,393,278.10
  5. Step 5: Solve for x
    x = 368,261,393,278.10/691,718.58
  6. Step 6: Final answer
    x = 532,386.15

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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.