Home / 691,458.46-954,142.95-385,506.07

Finding the Fourth Proportional to 691,458.46, 954,142.95 and 385,506.07

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Solution

The fourth proportional to 691,458.46, 954,142.95 and 385,506.07 is: 531,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,458.46 : 954,142.95 = 385,506.07 : x
  2. Step 2: Convert to fraction form
    691,458.46/954,142.95 = 385,506.07/x
  3. Step 3: Cross multiply
    691,458.46x = 954,142.95 × 385,506.07
  4. Step 4: Simplify right side
    691,458.46x = 367,827,898,872.71
  5. Step 5: Solve for x
    x = 367,827,898,872.71/691,458.46
  6. Step 6: Final answer
    x = 531,959.50

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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.