Home / 714,145.71-1,071,497.41-314,505.64

Finding the Fourth Proportional to 714,145.71, 1,071,497.41 and 314,505.64

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Solution

The fourth proportional to 714,145.71, 1,071,497.41 and 314,505.64 is: 471,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,145.71 : 1,071,497.41 = 314,505.64 : x
  2. Step 2: Convert to fraction form
    714,145.71/1,071,497.41 = 314,505.64/x
  3. Step 3: Cross multiply
    714,145.71x = 1,071,497.41 × 314,505.64
  4. Step 4: Simplify right side
    714,145.71x = 336,991,974,985.42
  5. Step 5: Solve for x
    x = 336,991,974,985.42/714,145.71
  6. Step 6: Final answer
    x = 471,881.25

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1.5x scale

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.