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Finding the Fourth Proportional to 563,252.57, 777,258.83 and 321,525.53

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Solution

The fourth proportional to 563,252.57, 777,258.83 and 321,525.53 is: 443,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,252.57 : 777,258.83 = 321,525.53 : x
  2. Step 2: Convert to fraction form
    563,252.57/777,258.83 = 321,525.53/x
  3. Step 3: Cross multiply
    563,252.57x = 777,258.83 × 321,525.53
  4. Step 4: Simplify right side
    563,252.57x = 249,908,555,655.30
  5. Step 5: Solve for x
    x = 249,908,555,655.30/563,252.57
  6. Step 6: Final answer
    x = 443,688.27

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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.