Home / 949,714.80-1,423,362.60-388,114.80

Finding the Fourth Proportional to 949,714.80, 1,423,362.60 and 388,114.80

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Solution

The fourth proportional to 949,714.80, 1,423,362.60 and 388,114.80 is: 581,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,714.80 : 1,423,362.60 = 388,114.80 : x
  2. Step 2: Convert to fraction form
    949,714.80/1,423,362.60 = 388,114.80/x
  3. Step 3: Cross multiply
    949,714.80x = 1,423,362.60 × 388,114.80
  4. Step 4: Simplify right side
    949,714.80x = 552,428,090,826.48
  5. Step 5: Solve for x
    x = 552,428,090,826.48/949,714.80
  6. Step 6: Final answer
    x = 581,677.88

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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.