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Finding the Fourth Proportional to 649,521.60, 973,821.60 and 294,705.60

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Solution

The fourth proportional to 649,521.60, 973,821.60 and 294,705.60 is: 441,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,521.60 : 973,821.60 = 294,705.60 : x
  2. Step 2: Convert to fraction form
    649,521.60/973,821.60 = 294,705.60/x
  3. Step 3: Cross multiply
    649,521.60x = 973,821.60 × 294,705.60
  4. Step 4: Simplify right side
    649,521.60x = 286,990,678,920.96
  5. Step 5: Solve for x
    x = 286,990,678,920.96/649,521.60
  6. Step 6: Final answer
    x = 441,849.32

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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.