Home / 840,436.96-1,159,768.68-496,384.24

Finding the Fourth Proportional to 840,436.96, 1,159,768.68 and 496,384.24

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Solution

The fourth proportional to 840,436.96, 1,159,768.68 and 496,384.24 is: 684,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,436.96 : 1,159,768.68 = 496,384.24 : x
  2. Step 2: Convert to fraction form
    840,436.96/1,159,768.68 = 496,384.24/x
  3. Step 3: Cross multiply
    840,436.96x = 1,159,768.68 × 496,384.24
  4. Step 4: Simplify right side
    840,436.96x = 575,690,894,797.60
  5. Step 5: Solve for x
    x = 575,690,894,797.60/840,436.96
  6. Step 6: Final answer
    x = 684,989.98

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Double scale
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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.