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Finding the Fourth Proportional to 628,776.48, 942,989.04 and 249,526.56

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Solution

The fourth proportional to 628,776.48, 942,989.04 and 249,526.56 is: 374,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,776.48 : 942,989.04 = 249,526.56 : x
  2. Step 2: Convert to fraction form
    628,776.48/942,989.04 = 249,526.56/x
  3. Step 3: Cross multiply
    628,776.48x = 942,989.04 × 249,526.56
  4. Step 4: Simplify right side
    628,776.48x = 235,300,811,268.90
  5. Step 5: Solve for x
    x = 235,300,811,268.90/628,776.48
  6. Step 6: Final answer
    x = 374,220.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.