Home / 714,148.72-1,071,501.92-314,508.64

Finding the Fourth Proportional to 714,148.72, 1,071,501.92 and 314,508.64

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Solution

The fourth proportional to 714,148.72, 1,071,501.92 and 314,508.64 is: 471,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,148.72 : 1,071,501.92 = 314,508.64 : x
  2. Step 2: Convert to fraction form
    714,148.72/1,071,501.92 = 314,508.64/x
  3. Step 3: Cross multiply
    714,148.72x = 1,071,501.92 × 314,508.64
  4. Step 4: Simplify right side
    714,148.72x = 336,996,611,616.59
  5. Step 5: Solve for x
    x = 336,996,611,616.59/714,148.72
  6. Step 6: Final answer
    x = 471,885.76

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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.