Home / 476,660.28-714,985.90-121,669.40

Finding the Fourth Proportional to 476,660.28, 714,985.90 and 121,669.40

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Solution

The fourth proportional to 476,660.28, 714,985.90 and 121,669.40 is: 182,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,660.28 : 714,985.90 = 121,669.40 : x
  2. Step 2: Convert to fraction form
    476,660.28/714,985.90 = 121,669.40/x
  3. Step 3: Cross multiply
    476,660.28x = 714,985.90 × 121,669.40
  4. Step 4: Simplify right side
    476,660.28x = 86,991,905,461.46
  5. Step 5: Solve for x
    x = 86,991,905,461.46/476,660.28
  6. Step 6: Final answer
    x = 182,502.95

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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.