Home / 769,569.60-1,061,318.40-483,116.32

Finding the Fourth Proportional to 769,569.60, 1,061,318.40 and 483,116.32

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Solution

The fourth proportional to 769,569.60, 1,061,318.40 and 483,116.32 is: 666,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,569.60 : 1,061,318.40 = 483,116.32 : x
  2. Step 2: Convert to fraction form
    769,569.60/1,061,318.40 = 483,116.32/x
  3. Step 3: Cross multiply
    769,569.60x = 1,061,318.40 × 483,116.32
  4. Step 4: Simplify right side
    769,569.60x = 512,740,239,756.29
  5. Step 5: Solve for x
    x = 512,740,239,756.29/769,569.60
  6. Step 6: Final answer
    x = 666,268.83

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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.