Home / 918,084.64-1,266,876.21-510,160.64

Finding the Fourth Proportional to 918,084.64, 1,266,876.21 and 510,160.64

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Solution

The fourth proportional to 918,084.64, 1,266,876.21 and 510,160.64 is: 703,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,084.64 : 1,266,876.21 = 510,160.64 : x
  2. Step 2: Convert to fraction form
    918,084.64/1,266,876.21 = 510,160.64/x
  3. Step 3: Cross multiply
    918,084.64x = 1,266,876.21 × 510,160.64
  4. Step 4: Simplify right side
    918,084.64x = 646,310,378,094.37
  5. Step 5: Solve for x
    x = 646,310,378,094.37/918,084.64
  6. Step 6: Final answer
    x = 703,976.90

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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.