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Finding the Fourth Proportional to 691,371.59, 954,303.66 and 401,056.52

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Solution

The fourth proportional to 691,371.59, 954,303.66 and 401,056.52 is: 553,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,371.59 : 954,303.66 = 401,056.52 : x
  2. Step 2: Convert to fraction form
    691,371.59/954,303.66 = 401,056.52/x
  3. Step 3: Cross multiply
    691,371.59x = 954,303.66 × 401,056.52
  4. Step 4: Simplify right side
    691,371.59x = 382,729,700,131.35
  5. Step 5: Solve for x
    x = 382,729,700,131.35/691,371.59
  6. Step 6: Final answer
    x = 553,580.32

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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.