Home / 949,717.80-1,423,367.10-388,117.80

Finding the Fourth Proportional to 949,717.80, 1,423,367.10 and 388,117.80

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Solution

The fourth proportional to 949,717.80, 1,423,367.10 and 388,117.80 is: 581,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,717.80 : 1,423,367.10 = 388,117.80 : x
  2. Step 2: Convert to fraction form
    949,717.80/1,423,367.10 = 388,117.80/x
  3. Step 3: Cross multiply
    949,717.80x = 1,423,367.10 × 388,117.80
  4. Step 4: Simplify right side
    949,717.80x = 552,434,107,444.38
  5. Step 5: Solve for x
    x = 552,434,107,444.38/949,717.80
  6. Step 6: Final answer
    x = 581,682.38

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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.