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Finding the Fourth Proportional to 509,701.04, 764,643.72 and 210,014.90

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Solution

The fourth proportional to 509,701.04, 764,643.72 and 210,014.90 is: 315,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,701.04 : 764,643.72 = 210,014.90 : x
  2. Step 2: Convert to fraction form
    509,701.04/764,643.72 = 210,014.90/x
  3. Step 3: Cross multiply
    509,701.04x = 764,643.72 × 210,014.90
  4. Step 4: Simplify right side
    509,701.04x = 160,586,574,391.43
  5. Step 5: Solve for x
    x = 160,586,574,391.43/509,701.04
  6. Step 6: Final answer
    x = 315,060.32

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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.