Home / 756,056.40-1,134,084.60-282,643.80

Finding the Fourth Proportional to 756,056.40, 1,134,084.60 and 282,643.80

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Solution

The fourth proportional to 756,056.40, 1,134,084.60 and 282,643.80 is: 423,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,056.40 : 1,134,084.60 = 282,643.80 : x
  2. Step 2: Convert to fraction form
    756,056.40/1,134,084.60 = 282,643.80/x
  3. Step 3: Cross multiply
    756,056.40x = 1,134,084.60 × 282,643.80
  4. Step 4: Simplify right side
    756,056.40x = 320,541,980,865.48
  5. Step 5: Solve for x
    x = 320,541,980,865.48/756,056.40
  6. Step 6: Final answer
    x = 423,965.70

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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.