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Finding the Fourth Proportional to 713,521.98, 984,622.50 and 407,538.27

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Solution

The fourth proportional to 713,521.98, 984,622.50 and 407,538.27 is: 562,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,521.98 : 984,622.50 = 407,538.27 : x
  2. Step 2: Convert to fraction form
    713,521.98/984,622.50 = 407,538.27/x
  3. Step 3: Cross multiply
    713,521.98x = 984,622.50 × 407,538.27
  4. Step 4: Simplify right side
    713,521.98x = 401,271,350,253.08
  5. Step 5: Solve for x
    x = 401,271,350,253.08/713,521.98
  6. Step 6: Final answer
    x = 562,381.20

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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.